英文關鍵字
2019ncov
alert
analyzing
background
biohazard
china
chinese
contamination
corona
coronavirus
covid
covid19
dangerous
death
diagnosis
disease
epidemic
epidemiology
flu
global
health
illness
infection
infectious
medical
medicine
microbiology
microorganism
microscopic
outbreak
pandemic
pathogen
pneumonia
protection
quarantine
retrovirus
risk
science
sickness
viral
virology
virus
warning