American Journal of Infection Control

Papers
(The median citation count of American Journal of Infection Control is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)
ArticleCitations
A qualitative study on the psychological experience of caregivers of COVID-19 patients782
Willingness to get the COVID-19 vaccine with and without emergency use authorization341
Systematic review with meta-analysis of the accuracy of diagnostic tests for COVID-19319
Susceptibility of SARS-CoV-2 to UV irradiation295
Healthcare providers experience of working during the COVID-19 pandemic: A qualitative study204
Prevalence of comorbidities among individuals with COVID-19: A rapid review of current literature181
Effectiveness of 222-nm ultraviolet light on disinfecting SARS-CoV-2 surface contamination171
Covid-19 vaccine acceptance, hesitancy, and refusal among Canadian healthcare workers: A multicenter survey164
Environmental contamination by SARS-CoV-2 in a designated hospital for coronavirus disease 2019153
Hand sanitizers: A review of ingredients, mechanisms of action, modes of delivery, and efficacy against coronaviruses149
Face masks to prevent transmission of COVID-19: A systematic review and meta-analysis149
Impact of the influenza vaccine on COVID-19 infection rates and severity118
Medical waste management practice during the 2019-2020 novel coronavirus pandemic: Experience in a general hospital118
The impact of COVID-19 pandemic on hand hygiene performance in hospitals115
Specific risk factors for SARS-CoV-2 transmission among health care workers in a university hospital110
COVID-19 fatalities, latitude, sunlight, and vitamin D96
Exploring stress coping strategies of frontline emergency health workers dealing Covid-19 in Pakistan: A qualitative inquiry95
Meta-analysis investigating the relationship between clinical features, outcomes, and severity of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pneumonia94
Decontamination of surgical face masks and N95 respirators by dry heat pasteurization for one hour at 70°C88
Weathering COVID-19 storm: Successful control measures of five Asian countries88
Unintended consequences of infection prevention and control measures during COVID-19 pandemic86
South Korea's responses to stop the COVID-19 pandemic83
Decontamination and reuse of N95 filtering facemask respirators: A systematic review of the literature82
COVID-19 vaccination hesitancy among health care workers, communication, and policy-making81
Intention to COVID-19 vaccination and associated factors among health care workers: A systematic review and meta-analysis of cross-sectional studies80
Impact of SARS-CoV-2 on hospital acquired infection rates in the United States: Predictions and early results78
Impact of COVID-19 prevention measures on risk of health care-associated Clostridium difficile infection71
Factors and reasons associated with low COVID-19 vaccine uptake among highly hesitant communities in the US67
International Nosocomial Infection Control Consortium (INICC) report, data summary of 45 countries for 2012-2017: Device-associated module67
Hospital-acquired infections in the adult intensive care unit—Epidemiology, antimicrobial resistance patterns, and risk factors for acquisition and mortality64
SARS-CoV-2 infection and COVID-19: The lived experience and perceptions of patients in isolation and care in an Australian healthcare setting62
Environmental contamination of SARS-CoV-2 during the COVID-19 outbreak in South Korea61
Impact of personal protective equipment use on health care workers’ physical health during the COVID-19 pandemic: A systematic review and meta-analysis56
Inactivation of SARS-CoV-2 by commercially available alcohol-based hand sanitizers56
Implementation and Process of a COVID-19 Contact Tracing Initiative: Leveraging Health Professional Students to Extend the Workforce During a Pandemic54
The safety profile of COVID-19 vaccinations in the United States50
International Nosocomial Infection Control Consortium (INICC) report, data summary of 45 countries for 2013-2018, Adult and Pediatric Units, Device-associated Module50
The effect of state-level stay-at-home orders on COVID-19 infection rates50
Reducing antibiotic prescribing and addressing the global problem of antibiotic resistance by targeted hygiene in the home and everyday life settings: A position paper46
Microbicidal actives with virucidal efficacy against SARS-CoV-246
Modeling COVID-19 infection risks for a single hand-to-fomite scenario and potential risk reductions offered by surface disinfection45
Disinfection of N95 masks artificially contaminated with SARS-CoV-2 and ESKAPE bacteria using hydrogen peroxide plasma: Impact on the reutilization of disposable devices44
Impact of the COVID-19 pandemic on the incidence of multidrug-resistant bacterial infections in an acute care hospital in Brazil43
Disposable versus reusable medical gowns: A performance comparison42
The impact of the COVID-19 pandemic on healthcare acquired infections with multidrug resistant organisms42
Carbapenemase-producing Enterobacterales outbreak: Another dark side of COVID-1941
N95 reprocessing by low temperature sterilization with 59% vaporized hydrogen peroxide during the 2020 COVID-19 pandemic39
Are saliva and deep throat sputum as reliable as common respiratory specimens for SARS-CoV-2 detection? A systematic review and meta-analysis39
Hospital Visitation Policies During the SARS-CoV-2 Pandemic39
It's not the heat, it's the humidity: Effectiveness of a rice cooker-steamer for decontamination of cloth and surgical face masks and N95 respirators37
The impact of novel coronavirus SARS-CoV-2 among healthcare workers in hospitals: An aerial overview35
Evaluation of an electrostatic spray disinfectant technology for rapid decontamination of portable equipment and large open areas in the era of SARS-CoV-235
3D printing of face shields to meet the immediate need for PPE in an anesthesiology department during the COVID-19 pandemic33
Positive no-touch surfaces and undetectable SARS-CoV-2 aerosols in long-term care facilities: An attempt to understand the contributing factors and the importance of timing in air sampling campaigns33
Containing COVID-19 outside the isolation ward: The impact of an infection control bundle on environmental contamination and transmission in a cohorted general ward33
Hand hygiene compliance of healthcare workers before and during the COVID-19 pandemic: A long-term follow-up study32
Could the COVID-19 pandemic aggravate antimicrobial resistance?31
Availability of personal protective equipment and infection prevention supplies during the first month of the COVID-19 pandemic: A national study by the APIC COVID-19 task force30
Seven discharged patients turning positive again for SARS-CoV-2 on quantitative RT-PCR30
Compared hand hygiene compliance among healthcare providers before and after the COVID-19 pandemic: A rapid review and meta-analysis30
Clinical experiences with a new system for automated hand hygiene monitoring: A prospective observational study30
Comparative accuracy testing of non-contact infrared thermometers and temporal artery thermometers in an adult hospital setting30
Lived experiences of frontline workers and leaders during COVID-19 outbreaks in long-term care: A qualitative study29
COVID-19 drive through testing: An effective strategy for conserving personal protective equipment28
The role of mask mandates, stay at home orders and school closure in curbing the COVID-19 pandemic prior to vaccination28
COVID-19 vaccination coverage among hospital-based healthcare personnel reported through the Department of Health and Human Services Unified Hospital Data Surveillance System, United States, January 228
Impact of COVID-19 pandemic on hospital onset bloodstream infections (HOBSI) at a large health system28
Substantial reduction of healthcare facility-onset Clostridioides difficile infection (HO-CDI) rates after conversion of a hospital for exclusive treatment of COVID-19 patients28
What are the sources of exposure in healthcare personnel with coronavirus disease 2019 infection?28
Implementing a negative pressure isolation space within a skilled nursing facility to control SARS-CoV-2 transmission27
Evaluation of a benzalkonium chloride hand sanitizer in reducing transient Staphylococcus aureus bacterial skin contamination in health care workers27
Observations about symptomatic and asymptomatic infections of 494 patients with COVID-19 in Shanghai, China27
Challenges in achieving effective high-level disinfection in endoscope reprocessing27
Compliance with immunization and a biological risk assessment of health care workers as part of an occupational health surveillance program: The experience of a university hospital in southern Italy26
Clinical characteristics, outcomes and prognosticators in adult patients hospitalized with COVID-1926
Readability, content, and quality of COVID-19 patient education materials from academic medical centers in the United States25
Bioaerosol sampling of a ventilated patient with COVID-1925
Cautious handling of urine from moderate to severe COVID-19 patients25
The role of close contacts of COVID-19 patients in the SARS-CoV-2 transmission: an emphasis on the percentage of nonevaluated positivity in Mexico25
Rapid expansion of temporary, reliable airborne-infection isolation rooms with negative air machines for critical COVID-19 patients25
Rational perspectives on risk and certainty for dentistry during the COVID-19 pandemic25
Face touching in the time of COVID-19 in Shiraz, Iran25
Impact of building closures during the COVID-19 pandemic on Legionella infection risks24
Evaluation of hospital nurse-to-patient staffing ratios and sepsis bundles on patient outcomes24
Use of powered air-purifying respirator(PAPR) as part of protective equipment against SARS-CoV-2-a narrative review and critical appraisal of evidence24
Epidemiological characteristics of the COVID-19 outbreak in a secondary hospital in Spain24
A qualitative study of factors affecting personal protective equipment use among health care personnel23
Bacterial and fungal colonization of the respiratory tract in COVID-19 patients should not be neglected23
Absence of nosocomial transmission of coronavirus disease 2019 (COVID-19) due to SARS-CoV-2 in the prepandemic phase in Hong Kong23
To investigate the association between the health literacy and hand hygiene practices of the older adults to help them fight against infectious diseases in Hong Kong23
The impact of visitor restrictions on health care-associated respiratory viral infections during the COVID-19 pandemic: Experience of a tertiary hospital in Singapore22
Community-based prevention and control of COVID-19: Experience from China22
Infection control practices in children during COVID-19 pandemic: Differences from adults22
Availability and crisis standards of care for personal protective equipment during fall 2020 of the COVID-19 pandemic: A national study by the APIC COVID-19 task force21
Counterfeit filtering facepiece respirators are posing an additional risk to health care workers during COVID-19 pandemic21
Steam treatment for rapid decontamination of N95 respirators and medical face masks21
Azole-resistant Aspergillus fumigatus in the hospital: Surveillance from flower beds to corridors21
Light-guided nudging and data-driven performance feedback improve hand hygiene compliance among nurses and doctors21
Efficacy of a povidone iodine preparation in reducing nasal methicillin-resistant Staphylococcus aureus in colonized patients20
The use of drones for the delivery of diagnostic test kits and medical supplies to remote First Nations communities during Covid-1920
A systematic review of chlorine-based surface disinfection efficacy to inform recommendations for low-resource outbreak settings20
Non-ventilator health care-associated pneumonia (NV-HAP): Best practices for prevention of NV-HAP20
Face mask fit modifications that improve source control performance20
How common are indwelling devices in hospitalized adults? A contemporary point prevalence study in a tertiary care hospital19
Impact of extended use and decontamination with vaporized hydrogen peroxide on N95 respirator fit19
Lessons learned – Outbreaks of COVID-19 in nursing homes19
Impact of COVID-19 on an infection prevention and control program, Iowa 2020-202119
Risk factors for isolation of multi-drug resistant organisms in coronavirus disease 2019 pneumonia: A multicenter study18
The impact of statewide school closures on COVID-19 infection rates18
A hybrid model integrating warm heat and ultraviolet germicidal irradiation might efficiently disinfect respirators and personal protective equipment18
Handheld ultrasound devices: An emerging technology to reduce viral spread during the Covid-19 pandemic18
Mandatory employee vaccination as a strategy for early and comprehensive health care personnel immunization coverage: Experience from 10 influenza seasons18
Knowledge about hand hygiene in the Generation Z: A questionnaire-based survey among dental students, trainee nurses and medical technical assistants in training18
Hospital affiliated long term care facility COVID-19 containment strategy by using prevalence testing and infection control best practices18
SARS-Cov-2 seroprevalence and risk factors among health care workers: Estimating the risk of COVID-19 dedicated units18
Trend of influenza vaccine Facebook posts in last 4 years: a content analysis17
The electronic medical record and COVID-19: Is it up to the challenge?17
Infection preventionists’ experiences during the first nine months of the COVID-19 pandemic: Findings from focus groups conducted with Association of Professionals in Infection Control & Epidemiol17
Outbreak of COVID-19 and interventions in a large jail — Cook County, IL, United States, 202017
Isolation of extensively drug resistant Acinetobacter baumannii from environmental surfaces inside intensive care units17
Facilitators of COVID-19 vaccine acceptance among Black and Hispanic individuals in New York: A qualitative study17
The impact of Candida spp airway colonization on clinical outcomes in patients with ventilator-associated pneumonia: A systematic review and meta-analysis17
Low rates of influenza vaccination uptake among healthcare workers: Distinguishing barriers between occupational groups16
Outbreak of NDM-1-producing Klebsiella pneumoniae in the intensive care unit during the COVID-19 pandemic: Another nightmare16
Shining a light on the pathogenicity of health care providers' mobile phones: Use of a novel ultraviolet-C wave disinfection device16
Evaluation of disinfection procedures in a designated hospital for COVID-1916
All alone: A qualitative study of home health aides' experiences during the COVID-19 pandemic in New York16
Does the removal of contact precautions for MRSA and VRE infected patients change health care-associated infection rate?: A systematic review and meta-analysis16
Psychological experience of COVID-19 patients: A systematic review and qualitative meta-synthesis16
Containment of a carbapenem-resistant Acinetobacter baumannii complex outbreak in a COVID-19 intensive care unit16
Compliance measurement and observed influencing factors of hand hygiene based on COVID-19 guidelines in China16
A review of wipes used to disinfect hard surfaces in health care facilities16
Personal protective equipment in Covid-19: Evidence-based quality and analysis of YouTube videos after one year of pandemic16
Efficacy of an ultraviolet-A lighting system for continuous decontamination of health care–associated pathogens on surfaces16
Stopping the routine use of contact precautions for management of MRSA and VRE at three academic medical centers: An interrupted time series analysis16
Distribution of spreading viruses during COVID-19 pandemic: Effect of mitigation strategies16
Impact of COVID-19 on hospital acquired infections15
Effects of nursing organizational culture and job stress on Korean infection control nurses’ turnover intention15
A systematic scoping review of the cost-impact of ventilator-associated pneumonia (VAP) intervention bundles in intensive care15
Infection prevention and control practices in the home environment: Examining enablers and barriers to adherence among home health care nurses15
An update on the 2019-nCoV outbreak15
Maximizing efficiency in a high occupancy setting to utilize ultraviolet disinfection for isolation rooms15
Use of carbon dioxide measurements to assess ventilation in an acute care hospital15
Non-ventilator associated hospital acquired pneumonia incidence and health outcomes among U.S. veterans from 2016-202015
Perioperative body temperature maintenance and occurrence of surgical site infection: A systematic review with meta-analysis14
Methicillin-resistant Staphylococcus aureus contamination of hospital-use-only mobile phones and efficacy of 222-nm ultraviolet disinfection14
Patient education on infection control: A systematic review14
Hand hygiene compliance among healthcare workers before and during the COVID-19 pandemic14
Examining the inclusion of patients and their family members in infection prevention and control policies and guidelines across Bangladesh, Indonesia, and South Korea14
Importance of operating room case scheduling on analyses of observed reductions in surgical site infections from the purchase and installation of capital equipment in operating rooms14
Increase of blood culture contamination during COVID-19 pandemic. A retrospective descriptive study14
Global risk to the community and clinical setting: Flocking of fake masks and protective gears during the COVID-19 pandemic14
Evaluation of patient risk factors for infection with carbapenem-resistant Enterobacteriaceae14
Presenteeism among health care workers with laboratory-confirmed influenza infection: A retrospective cohort study in Queensland, Australia14
Efficacy of an antimicrobial surface coating against human coronavirus 229E and SARS-CoV-214
A critical evaluation of current protocols for self-sterilizing surfaces designed to reduce viral nosocomial infections14
Assessing the clinical accuracy of a hand hygiene system: Learnings from a validation study14
Personal protective equipment implementation in healthcare: A scoping review14
Vapourized hydrogen peroxide decontamination in a hospital setting inactivates SARS-CoV-2 and HCoV-229E without compromising filtration efficiency of unexpired N95 respirators14
COVID-19 infection: Strategies on when to discontinue isolation, a retrospective study13
Impact of visitation and cohorting policies to shield residents from covid-19 spread in care homes: an agent-based model13
Developing and implementing an infection prevention and control program for a COVID-19 alternative care site in Philadelphia, PA13
Relationship among safety culture, nursing care, and Standard Precautions adherence13
The impact of healthcare-associated infections on mortality in ICU: A prospective study in Asia, Africa, Eastern Europe, Latin America, and the Middle East13
Novel manufacturing of simple masks in response to international shortages: Bacterial and particulate filtration efficiency testing13
Management practices for leaders to promote infection prevention: Lessons from a qualitative study13
Clinical characteristics, risk factors, and outcomes of patients hospitalized in the US military health system with carbapenem-resistant Enterobacteriaceae infection13
Reducing inappropriate urine cultures through a culture standardization program13
Evaluating healthcare workers’ hand hygiene performance using first-person view video observation in a standardized patient-care scenario13
Halting a SARS-CoV-2 outbreak in a US Veterans Affairs nursing home13
Nurses as antimicrobial stewards: Recognition, confidence, and organizational factors across nine hospitals13
When planning meets reality: COVID-19 interpandemic survey of Michigan Nursing Homes13
Catheter securement impact on PICC-related CLABSI: A university hospital perspective13
Peripheral intravenous catheter needleless connector decontamination study—Randomized controlled trial13
Product dose considerations for real-world hand sanitiser efficacy13
Physicians’ compliance for hand hygiene in medical outpatient clinics: automated hand-hygiene monitoring with touch sensor and wireless internet12
Infection preventionist staffing in nursing homes12
Environmental cleaning and disinfection of hospital rooms: A nationwide survey12
Trends in COVID-19 vaccination receipt and intention to vaccinate, United States, April to August, 202112
Effect of perioperative hyperglycemia on surgical site infection in abdominal surgery: A prospective cohort study12
A scoping review to assess the impact of public education campaigns to affect behavior change pertaining to antimicrobial resistance12
Simulation models for transmission of health care–associated infection: A systematic review12
The powder keg: Lessons learned about clinical staff preparedness during the early phase of the COVID-19 pandemic12
Mask use among health care workers and feelings of safety at work pre- and post- COVID-19 vaccine12
Hand hygiene performance in an intensive care unit before and during the COVID-19 pandemic12
Who has not been vaccinated, fully vaccinated, or boosted for COVID-19?12
The effect of pulsed xenon ultraviolet light disinfection on healthcare-associated Clostridioides difficile rates in a tertiary care hospital12
Connectors as a risk factor for blood-associated infections (3-way stopcock and needleless connector): A randomized-experimental study12
Hospital-acquired Legionella pneumonia outbreak at an academic medical center: Lessons learned12
Impact of the modification of a cleaning and disinfection method of mechanical ventilators of COVID-19 patients and ventilator-associated pneumonia: One year of experience12
Screening for and decolonization of Staphylococcus aureus carriers before total joint replacement is associated with lower S aureus prosthetic joint infection rates12
Early prediction of central line associated bloodstream infection using machine learning12
Design and evaluation of a portable negative pressure hood with HEPA filtration to protect health care workers treating patients with transmissible respiratory infections12
An evaluation of cleaning practices at a teaching hospital12
Sphingomonas paucimobilis outbreak in a dialysis room: Case report and literature review of an emerging healthcare associated infection12
Environmental detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from medical equipment in long-term care facilities undergoing COVID-19 outbreaks11
Clostridioides (Clostridium) difficile-associated disease: Epidemiology among patients in a general hospital in Saudi Arabia11
Comparison of filtration efficiency and respiratory resistance of COVID-19 protective masks by multi-national standards11
Identifying potential undocumented COVID-19 using publicly reported influenza-like-illness and laboratory-confirmed influenza disease in the United States: An approach to syndromic surveillance?11
Prolonged persistence of PCR-detectable virus during an outbreak of SARS-CoV-2 in an inpatient geriatric psychiatry unit in King County, Washington11
Efficacy of flexible endoscope drying using novel endoscope test articles that allow direct visualization of the internal channel systems11
Associations among infection prevention professionals' mental/physical health, lifestyle behaviors, shift length, race, and workplace wellness support during COVID-1911
SARS-CoV-2 Detection in air samples from inside heating, ventilation, and air conditioning (HVAC) systems- COVID surveillance in student dorms11
Comparison of estimated norovirus infection risk reductions for a single fomite contact scenario with residual and nonresidual hand sanitizers11
Implementation of colon surgical site infection prevention bundle—The successes and challenges10
Maximizing the impact of, and sustaining standing orders protocols for adult immunization in outpatient clinics10
Effectiveness of manual versus automated cleaning on Staphylococcus epidermidis biofilm removal from the surface of surgical instruments10
Particle control reduces fine and ultrafine particles greater than HEPA filtration in live operating rooms and kills biologic warfare surrogate10
Viral and bacterial coinfection among hospitalized children with respiratory tract infections10
Filtration efficiency of surgical sterilization fabric for respiratory protection during COVID-19 pandemic10
The effects of trained observers (dofficers) and audits during a facility-wide COVID-19 outbreak: A mixed-methods quality improvement analysis10
Effectiveness and real-world materials compatibility of a novel hydrogen peroxide disinfectant cleaner10
UV-C tower for point-of-care decontamination of filtering facepiece respirators10
Risk factors for fecal carriage of extended-spectrum beta-lactamase-producing and carbapenem-resistant Escherichia coli and Klebsiella pneumoniae strains among patients at hospital admission10
Evaluation of virucidal activity of residual quaternary ammonium-treated surfaces on SARS-CoV-210
Needleless connector decontamination for prevention of central venous access device infection: A pilot randomized controlled trial10
Adoption of electronic hand hygiene monitoring systems in New York state hospitals and the associated impact on hospital-acquired C. difficile infection rates10
The impact of COVID-19 vaccination on case fatality rates in a city in Southern Brazil10
Analysis of COVID-19 outbreaks in 3 long-term care facilities in Graz, Austria10
The utility of frailty indices in predicting the risk of health care associated infections: A systematic review10
Implementation of an external female urinary catheter as an alternative to an indwelling urinary catheter10
Implementation of a nurse-driven antibiotic engagement tool in 3 hospitals10
Surveillance testing reveals a significant proportion of hospitalized patients with SARS-CoV-2 are asymptomatic10
High rate of Multidrug-Resistant Organisms (MDROs) among COVID-19 patients presenting with bacteremia upon hospital admission10
Virtual reality as a learning tool for improving infection control procedures10
A 21st century view of infection control in everyday settings: Moving from the Germ Theory of Disease to the Microbial Theory of Health10
Benefit of systematic selection of pairs of cases matched by surgical specialty for surveillance of bacterial transmission in operating rooms10
Novel outpatient antibiotic prescribing report of respiratory infections in a pediatric health system's emergency departments and urgent care clinics10
Community hospital stethoscope cleaning practices and contamination rates10
Operating room air delivery design to protect patient and surgical site results in particles released at surgical table having greater concentration along walls of the room than at the instrument tray10
Clinical impact and direct costs of nosocomial respiratory syncytial virus infections in the neonatal intensive care unit10
Self-reported survey on infection prevention and control structures in healthcare facilities part of a national level healthcare associated infection surveillance network in India, 20199
Universal symptom monitoring to address presenteeism in healthcare workers9
Previous peripherally inserted central catheter (PICC) placement as a risk factor for PICC-associated bloodstream infections9
Factors associated with environmental service worker cleaning practices in health care settings: A systematic review of the literature9
The effectiveness of serious games designed for infection prevention and promotion of safe behaviors of senior nursing students during the COVID-19 pandemic9
Demystifying theoretical concerns involving respirators with exhalation valves during COVID-19 pandemic9
Environmental testing for SARS-CoV-2 in three tertiary-care hospitals during the peak of the third COVID-19 wave9
Will the status of infection prevention and control (IPC) professionals be improved in the context of COVID-19?9
Hospital admission patterns of adult patients with complicated urinary tract infections who present to the hospital by disease acuity and comorbid conditions: How many admissions are potentially avoid9
Use of simulation to develop a COVID-19 resuscitation process in a pediatric emergency department9
The higher temperature and ultraviolet, the lower COVID-19 prevalence–meta-regression of data from large US cities9
Resumption of respiratory outpatient services in the COVID-19 era: Experience from Southern Italy9
Assessment of anesthesia machine redesign on cleaning of the anesthesia machine using surface disinfection wipes9
Recruitment and hiring practices in United States infection prevention and control departments: Results of a national survey9
Utilizing behavioral theories to explain hospital visitors’ observed hand hygiene behavior9
3D-printed protected face shields for health care workers in Covid-19 pandemic9
Clinical characteristics and symptom duration among outpatients with COVID-199
Fungal superinfection in patients with COVID-19: Role of antifungal stewardship?9
Risk factors for SARS-CoV-2 infection among health care workers9
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