英文關鍵字
2019
2019ncov
animation
attack
bacterial
biological
bird
bottom
cells
close
contagious
contamination
corona
coronavirus
cov
covid
dangerous
disease
epidemic
flu
green
h1n1
hantaan
hantavirus
infected
infection
influenza
large
lot
microbiology
microscopic
ncov
new
pandemic
particles
pathogen
pathogenic
pathology
possible
render
respiratory
sars
sickness
space
strain
tentacles
very
view
viral
virology
virus
viruses
weapons
wuhan