2019
2019ncov
antimicrobial
asian
bacteria
bacterium
beware
bio
biology
clinic
coronavirus
cov
covid
covid 19
danger
diagnostic
disease
epidemic
forbidden
germ
healthy
illness
lab
medical
micro
microbe
microorganism
microscopic
ncov
organism
pandemic
parasite
pharmacy
placard
precautions
risks
sick
signal
symbol
treatment
viral
virion
virus