英文關鍵字
america
animation
antibiotics
background
biohazard
cgi
china
contagious
continental
corona
coronavirinae
coronavirus
covid19
diagnosis
disease
emergency
epidemic
fever
flu
green
heading
health
hits
illness
illustration
infect
infection
influenza
medical
medicine
microbe
microbiology
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outbreak
pandemic
particles
pathogen
pathogenic
pneumonia
quarantine
rendered
sars
science
states
unfolds
united
usa
vaccine
viral
virology
virus