英文關鍵字
2019ncov
aging
caucasian
clinic
clothing
contagious
contamination
control
corona
coronavirus
covid
covid19
disease
doctor
elderly
epidemic
equipment
face
female
health
healthcare
hospital
illness
infected
infection
influenza
laboratory
mask
medical
medicine
medium
motion
nurse
outbreak
pandemic
patient
prevention
professional
protection
protective
quarantine
recovery
senior
shield
shot
sickness
slow
specialist
suit
team
treatment
virus
woman