id	keyword
cord-308165-pk8d48hs	covid-19
cord-308165-pk8d48hs	transmission
cord-308165-pk8d48hs	health
cord-308165-pk8d48hs	prevention
cord-308165-pk8d48hs	control
cord-308165-pk8d48hs	african
cord-308165-pk8d48hs	countries
cord-308165-pk8d48hs	disease
cord-308165-pk8d48hs	virus
