19
air
allergy
asian
attention
biohazard
careful
cat
chinese
contagion
coronavirus
covid
covid19
disease
epidemic
face
flu
hazard
health
ill
infection
influenza
mask
medical
outbreak
people
pm 25
pollution
prevention
prohibition
protect
protection
puppy
quarantine
reject
respiratory
risk
safe
secure
sick
sickness
surgical mask
symptoms
syndrome
virus
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virus strain
woman