2019
2019 merscov
2019ncov
alert
allergy
caution
corona
coronavirus
cov
detected
disease
east
epidemic
failure
fatal outcome
fever
folded
h1n1
hazard
illness
infected
infection
jigsaw
many
medical
mers
merscov
middle
ncov
novel
origin
outbreak
pandemic
pneumonia
prevention
puzzle
quarantine
red
respiratory
risk
sars
symbol
syndrome
test lab
vaccine
virus
vomit