19
2019
alert
boy
clock
contagious
contamination
corona
coronavirus
cov
covid
covid 19
danger
daughter
disease
epidemic
family
father
girl
grandfather
grandmother
health
home
illness
infected
infection
infectious
lamp
man
masks
medical
microbiology
mother
ncov
pandemic
plant
pneumonia
protection
quarantine
sick
son
symptoms
tv
virology
virus
window
woman