2019
affected
aid
assistance
attention
care
coronavirus
cough
cov
covid
covid 19
dangerous
design
disease
failure
fever
first
health
healthy
human
illness
illustration
infection
influenza
kit
lungs
medical
medicine
ncov
outbreak
pneumonia
prevention
respiratory
sickness
sign
symptom
symptoms
syndrome
transfer
transmit
vaccine
viral
virus
warning