2019ncov
alert
avoid
biohazard
contamination
corona
coronavirus
covid
danger
disease
distance
doctor
epidemic
fever
global
hazard
health
human
icon
illness
infected
infection
isolation
keep distance
keeping distance
measures
medical
medicine
mers
ncov
outbreak
pandemic
people
physical distancing
pneumonia
prevention
preventive
protection
quarantine
respiratory
safety
sars
sign
social distancing
spread
threat
virology
virus
warning