英文關鍵字
2019ncov
alert
bacterium
biohazard
biology
cell
china
chinese
concept
contamination
corona
coronavirus
covid19
dangerous
death
disease
epidemic
fever
flag
flu
global
health
illness
infect
infected
infection
infectious
mask
medical
microbiology
ncov
novel
outbreak
pandemic
pathogen
pathology
pneumonia
prevention
protection
quarantine
respiratory
sars
science
stamp
vaccine
virology
virus