2020
border
contagion
contagious
coronavirus
cure
defense
epidemic
essential
essential item
face mask
finished
global
healthcare
hygiene
immunisation
international
international border
isolation
issue
medical
medicine
new year
novel
outbreak
over
pandemic
personal hygiene
protection
quarantine
research
science
selfisolating
social distancing
social issue
test
treatment
vaccine
virus
world map
worldwide
year
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