Keyphrases
Healthcare Workers
100%
Siren
100%
PCR Test
100%
Reinfection
90%
SARS-CoV-2 Immunity
76%
SARS-CoV-2 Reinfection
76%
Infection Rate
66%
COVID-19 Treatment
66%
Omicron Variant
66%
Stewardship
66%
Early Warning Surveillance
66%
Directly Acting Antivirals
66%
Antibody-negative
66%
SARS-CoV-2 Infection
66%
Multicenter Cohort Study
66%
SARS-CoV-2 Omicron
66%
United Kingdom
66%
Antimicrobial Resistance
66%
Primary Infection
57%
Variant Surveillance
33%
Wave Emergence
33%
Positive Samples
33%
Surveillance Methods
33%
Sentinel Surveillance
33%
National Surveillance
33%
Omicron Sub-lineages
33%
Antibody Test
28%
COVID-19
28%
Incidence Rate
19%
Seroconversion
19%
Antiviral Resistance
13%
Life-limiting Conditions
13%
Genomic Surveillance
13%
Repurposing
13%
Public Health Activities
13%
Severe Acute Respiratory Syndrome Coronavirus 2 Infection
13%
Virologic Surveillance
13%
COVID-19 Pandemic
13%
Antimicrobial Surveillance
13%
Epidemiologic Surveillance
13%
Resistance Potential
13%
Safety Potential
13%
Antimicrobial Stewardship
13%
Safety Effectiveness
13%
Public Health England
9%
Symptom Status
9%
Low Risk
9%
Administrative Staff
9%
Support Staff
9%
Irish Government
9%
SARS-CoV-2 PCR Testing
9%
All-source
9%
SARS-CoV-2 Antigen
9%
Health Departments
9%
Previous History
9%
Proportional Hazards Model
9%
Healthcare
9%
Poisson Distribution
9%
Frailty Model
9%
UK Government
9%
Decreased Risk
9%
National Institute for Health Research
9%
Social Care
9%
Scottish
9%
Previous Infection
9%
Incidence Density
9%
Non-associated
9%
Welsh
9%
Publicly Funded
9%
Infection Risk
9%
Protective Effect
9%
Hierarchy of Evidence
9%
Medicine and Dentistry
Severe Acute Respiratory Syndrome Coronavirus 2
80%
Infection
80%
COVID-19
76%
Prospective Cohort Study
66%
Health Care
66%
Antibiotic Resistance
66%
Infection Rate
66%
Reinfection
66%
Antiviral Drug
66%
Primary Infection
57%
Public Health
22%
Immunoassay
19%
Seroconversion
19%
COVID-19 Therapy
13%
Antiviral Resistance
13%
Evaluation Study
9%
Case Definition
9%
Frailty
9%