2019
2019ncov
antimicrobial
arrows
asian
bacteria
bacterium
beware
bio
biology
cell
cellule
clinic
contagion
coronavirus
cov
covid
covid 19
danger
diagnostic
disease
epidemic
forbidden
friends
germ
healthy
illness
lab
micro
microbe
microorganism
microscopic
ncov
nicovid
organism
pandemic
parasite
persons couple
placard
precautions
risks
sick
symptoms
transfer
treatment
viral
virion
virus