OUTDOOR RESIDUAL SPRAYING TECHNIQUE

OUTDOOR RESIDUAL SPRAYING TECHNIQUE. Vector-borne unit staff of the Department of Health (DOH) Calabarzon supervises participants on the proper spraying techniques during the actual demonstration of outdoor residual spraying on walls under the four-day training of sanitary inspectors held outside the Lima Park Hotel in Malvar, Batangas from March 26-29, 2019. (DOH Calabarzon photo by Glen S. Ramos)