id	keyword
aji-49	coronavirus
aji-49	cov
aji-49	sars
aji-49	covid-19
aji-49	transmission
aji-49	china
aji-49	novel
aji-49	mers
aji-49	patients
aji-49	participants
aji-49	syndrome
aji-49	pneumonia
aji-49	health
aji-49	clinical