id	keyword
cajgh-489	university
cajgh-489	cases
cajgh-489	total
cajgh-489	cfr
cajgh-489	journal
cajgh-489	covid-19
cajgh-489	health
cajgh-489	pittsburgh
cajgh-489	model
cajgh-489	doi
cajgh-489	global
cajgh-489	countries
cajgh-489	crr