mosquito borne disease according to the w.h.o. it infects 390000000 people around the world every year killing more than 25000 this week for the very 1st time the philippines declared a national alert to combat an almost doubling of dengue cases but treatment of the disease has been complicated by public mistrust after a recent immunization program there went wrong i'm talking about the health scare in 2017 when dozens of children died after receiving denver a vaccine administered to $800000.00 children as part of a government health program that program was quickly scuttled and earlier this year manila banned the drug officials also opened criminal proceedings against the vaccines manufacturer and against public health officials. to talk more about this we're joined by dr viler the w.h.o. representative to the philippines dr violet can you give us