id	keyword
aji-24	blood
aji-24	donors
aji-24	syphilis
aji-24	prevalence
aji-24	hepatitis
aji-24	hcv
aji-24	transfusion
aji-24	journal
aji-24	seroprevalence
aji-24	virus
aji-24	nigeria
aji-24	blood donors
aji-24	study
aji-24	kano