OL Trap System vs. mosquito... The regional offices of the Department of Science and Technology (DOST) and Department of Health-Center for Health Development (DOH-CHD), in cooperation with the Department of Interior and Local Government (DILG) launched yesterday June 7, 2011 in Legazpi City the ovi/larvicidal trap system for aedes mosquito as part of the national OL Trap roll-out. Mayor Geraldine Carmen B. Rosal of Legazpi City welcomes prime movers of the program and vow support to implement the program in the city. (Alex Cal, PIA V)