Thema
Journal Article
43
Research Support, Non-U.S. Gov't
31
Research Support, N.I.H., Extramural
12
COVID-19
11
SARS-CoV-2
7
influenza
7
570
6
Biology
6
Systematic Review
6
viruses
6
Review
5
public health
5
Influenza Vaccines
4
respiratory infections
4
COVID-19 Vaccines
3
Meta-Analysis
3
Observational Study
3
severe acute respiratory syndrome coronavirus 2
3
vaccination
3
zoonoses
3
BNT162 Vaccine
2
Epidemiological monitoring
2
H7N9 subtype
2
Hong Kong
2
Infectious disease outbreak
2
Influenza
2
Influenza A virus
2
Line list
2
Omicron
2
Placebos
2
Published Erratum
2
Randomized Controlled Trial
2
Vaccines, Inactivated
2
coronavirus disease
2
disease burden
2
epidemiology
2
hospitalization
2
incubation period
2
influenza virus
2
meta-analysis
2
mortality
2
nonhealthcare settings
2
nonpharmaceutical interventions
2
nonpharmaceutical measures
2
pandemic
2
pandemic influenza
2
severity
2
surveillance
2
vaccine-preventable diseases
2
2019 novel coronavirus disease
1
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