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2019
bacteria
bereavement
biohazard
biology
british
care
china
chinese
clinic
concept
contagious
contamination
corona
coronavirus
cov
crisis
danger
dangerous
deadly
death
disease
epidemic
flag
flu
global
h1n1
health
hiv
hospital
illness
infection
infectious
influenza
kingdom
medicine
ncov
outbreak
pandemic
pneumonia
respiratory
sars
science
spreading
treatment
united
vaccine
virus
wuhan