1Airport Health Officer, Airport Health Organization, Ministry of Health & Family Welfare, Govt. of India, Mumbai
2Deputy Assistant Director of Health Services, West Bengal Public Health & Administrative Services
3Deputy Airport Health Officer, Airport Health Organization, Ministry of Health & Family Welfare, Govt. of India, Mumbai
4Deputy CMOH, West Bengal Public Health & Administrative Services
*Corresponding Author: Email: ar123_pasi@yahoo.co.in
Online published on 19 September, 2016.
On 12th September 2011, unusual poultry deaths were reported from a poultry farm at Putimari Christianpara under Tehatta Gram Panchayat. On 14th September there were more deaths accordingly, samples were collected and sent to the Regional Disease Diagnostic Laboratory, Kolkata. Preliminary reports confirmed the presence of avian influenza. High Security Disease Detection Laboratory at Bhopal confirmed avian influenza. The state Govt notified the outbreak as avian influenza on 19th September 2010. This outbreak was investigated and epidemiological characteristic & containment measures were described.
Operational definition of avian influenza was established. Fever surveillance in animals and human beings was conducted within 10 kms radius of epicenters. Culling was conducted. All health workers, and cullers were examined and prophylaxis was administered.
Out of total 56 Gram Panchayat 25(45%) were affected. Out of 568 villages 131(23%) were affected. Out of 131 affected villages 22 were in the core area and the rest outside. Population affected was estimated to be 400007. Mean population covered per day was 104603 (26%).
In all 217 cases were detected with upper respiratory tract but none matched the case definition of avian influenza.
Avian Influenza, H5N1, Surveillance, Culling, Nadia District, West Bengal