GUWAHATI, May 2 - Changing climatic conditions have brought about drastic changes in the epidemiological behaviour of various vector-borne diseases in the State, officials of the National Health Mission told The Assam Tribune.
According to Umesh Phangso of the National Vector Borne Disease Control Programme (NVBDCP), in Assam the generally high epidemic period for malaria is from May to July. But this time, already 114 positive cases of malaria have been reported across the State with no death case.
A report on the epidemiological situation in Assam stated that till April 30, Chirang district reported the highest number of malaria cases (19), followed by Karbi Anglong with 14 cases and Kokrajhar with 13 cases.
Among the 114 cases reported till April 30, 72 patients were infected with plasmodium falciparum malaria and 42 patients were infected with plasmodium vivax malaria.
Till April 30, the health department collected altogether 6,96,719 blood samples for examination for suspected malaria infection.
Similar changes in the epidemiological situation took place in case of Japanese encephalitis (JE) also. According to Phangso, the generally high epidemic period for JE in Assam is from June to August. But this year, 10 cases of the disease with one death, have already been reported in the State.
The only death case in JE was reported in Cachar district, whereas both Dibrugarh and Karimganj reported the highest three JE cases each till April 30, the epidemiological situation report of the NVBDCP revealed.
Moreover, till April 30 altogether 56 cases of acute encephalitis syndrome (AES) were reported in the State with the highest number of cases (21) reported in Dibrugarh district. Lakhimpur district with 12 cases and Kamrup Metro district with 10 cases came next.
In case of dengue, the high epidemic period is from September to December, but this time already 11 cases of the disease have been reported across the State. Fortunately though, no dengue death has been reported in the State this year.
Till April 30 this year, the highest number of dengue cases (six) were reported in Kamrup Metro district followed by Nagaon with two cases.
Meanwhile, during the same period, altogether nine cases of filaria were reported in the State and all were reported in Sonitpur district.