STUDIES ON INFECTIVITY RATE OF BLACKFLIES (SIMULIUM SPP) IN UMULOLO, OKIGWE IMO STATE AFTER TEN YEARS OF IVERMECTIN TREATMENT.  

2016-10-22
The inefectivity rate of Simulium blackfly in Umulolo Okigwe Local Government Area of Imo State, Nigeria was investigated from August to December 2015. A total of 399 adult female S. ...