A total of 137 residents of 17 villages in Pos Kemar, Hulu Perak, tested positive for malaria in a Mass Blood Survey carried out until Wednesday , said Director-General of Health Datuk Dr Noor Hisham Abdullah. He said the group comprised 72 men and 65 women, and out of the total, 79 were children aged 14 years and below, who were all tested positive of malaria Plasmodium vivax , except for one case of Plasmodium falciparum.