The Oyo State College of Health Science and Technology has begun extermination of rats in markets across the state, to stop transmission of Lassa fever in the state. This was made known at a press briefing in Ibadan on Wednesday, by the Chairman, Governing Council of the College, Dr. Ola Ogundiwin, and the Provost of the College, Siji Ganiyu. Ogundiwin said, that the school which was established in 1933 is at the forefront of training middle-level manpower in the field of environmental health and had always contributed in no small way to the overall health of the people of the state and even b…