英文關鍵字
anbulance
running
covid
situtation
hospitan
animatin
ambulance
covid-19
situation
animation
hospital
video
icons
moving
2019-ncov
alert
bacteria
biology
cell
china
concept
corona
coronavirus
danger
disease
epidemic
fever
flat
flu
flue
global
health
illness
infect
infection
influenza
mask
medical
medicine
microbe
microbiology
outbreak
pandemic
pneumonia
protection
quarantine
red
respiratory
risk
sars
science
sick
spread
symbol
syndrome
text
vaccine
vector
viral
virology
virus
warning