英文關鍵字
2019ncov
adult
bacteria
bacterium
beautiful
caucasian
chemistry
china
chinese
corona
coronavirus
covid
covid2019
danger
diagnostic
disease
epidemic
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fear
flasks
flu
girl
global
health
healthcare
illness
infect
infection
influenza
isalation
mask
medical
medicine
microbe
microbiology
millennials
model
pandemic
pneumonia
professional
protection
protective
quarantine
respirator
respiratory
sars
selfisalation
stop
suit
vaccine
virology
virus
woman