bacteria
bacterium
biology
concept
corona
corona virus
coronavirus
creature
danger
disease
doctor
epidemic
fever
flu
germ
girl
health
healthcare
hiv
human
ill
illness
illustration
infected
infection
influenza
mask
medical
medicine
microbe
microbiology
microscopic
national
ncov
novel
organism
protect
protection
respiratory
sars
science
sick
stop
syringe
vaccination
virus
woman