英文關鍵字
2019ncov
caution
clean
contagion
contamination
corona
coronavirus
covid19
distance
doctor
emergency
epidemic
epidemy
europe
health
hospital
italy
medicine
nurse
pandemia
pandemic
people
person
pneumonia
prevention
protect
protection
protective
quarantine
respect
risk
safety
sanitizer
therapy
transmitted
vaccine
virology
virus
wearing
work