airborne
america
asian flu
avian flu virus
bacterial
cold and flu
contagious
corona virus
coronavirinae
coronavirus
covid19
deadly
disease
epidemic
epidemy
fever
flu
flu strain
flu virus
germ
health care
infect
infected
infection
infectious
infectious diseases
influenza
lethal
outbreak
pandemic
pathogen
pathogenic
quarantine
sars
shelter in place
social distancing
stay at home
surgical mask
vaccine
virus
wash hands
wash your hands