id	keyword
csm-3455	covid-19
csm-3455	africa
csm-3455	september
csm-3455	countries
csm-3455	people
csm-3455	change
csm-3455	climate
csm-3455	spread
csm-3455	coronavirus
csm-3455	water
csm-3455	pandemic
csm-3455	disease