英文關鍵字
ache
allergy
bed
black
care
caucasian
coronavirus
cough
coughing
covid19
danger
disease
epidemic
face
female
fever
girl
hazard
health
healthcare
ill
illness
infection
influenza
mask
medical
outbreak
pandemic
people
pneumonia
prevention
protect
protection
quarantine
respiratory
safety
sick
sickness
symptom
temperature
thermometer
unwell
virus
woman