Pandemic
Vaccination
Coronavirus disease 2019 (COVID-19)
Virology
Outbreak
Population
Immunization
Biology
Vaccine efficacy
Live attenuated influenza vaccine
Immunology
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Influenza vaccine
Disease
Environmental health
Infectious disease (medical specialty)
Medicine
Antibody
Pathology
