The health department was working in 303 relief camps in the four affected districts and so far blood tests of 8102 refugees have been conducted with over hundred of them testing positive for malaria, Sarma told reporters here.
Altogether 117 doctors, including 30 deputed by the central government, have so far treated 93,789 patients in the camps with 47 cases referred to hospitals, he said.
The doctors treated 14,944 patients for diarrhoea, 3,374 for dysentery, 23,088 fever, 22 for injury not related to riots and 35,982 for various other reasons.
There were 4828 pregnant women and 8,076 children in the camps, Sarma said.
The department was taking all measures to ensure that an epidemic did not break out in the camps.
"We are concentrating on providing hygienic conditions in the camps," he added.