英文關鍵字
apocalypse
background
bacteria
bacterium
beautiful
black
caucasian
cell
chemistry
china
chinese
corona
coronavirus
costume
covid
covid2019
danger
disease
epidemic
face
fear
flu
girl
global
health
healthcare
illness
infection
influenza
isalation
laboratory
mask
medical
microbiology
millennials
model
organism
pandemic
pharmacy
professional
protective
quarantine
respirator
respiratory
sample
sars
selfisalation
stop
suit
vaccine
virology
virus
woman