Batticaloa in the East of the island has the highest concentration of refugees at 72,986 people, increasing 21.6 percent over the same period, as fighting between the government and Tamil rebels escalated last year.
Displaced people contract diseases due to less access to health services, increased exposure and interrupted routine prevention and control methods, Dr Punsiri Fernando Health Consultant for Relieving Pharma said.
Malaria, Dengue, Filariasis, Chikungunya, Japanese Encephalitis and Leishmaniasis are the key vector-borne (contracted from insects) diseases.
Relieving Pharma, a subsidiary of the Daya Group, has just rolled out nets treated with chemicals to keep out insects that could be used to assist refugees.
The Long Lasting Insecticidal Nets (LLINs), manufactured