Outbreak of Highly Pathogenic Avian Influenza (H5N1) - Experiences in Imphal, Manipur.

Shibani Datta*, Nibedita Das**

* Professor, Dept. of Public Health Administration, All India Institute of Hygiene & Public Health , Kolkata.
** MO (CHS), Dept. of Microbiology, All India Institute of Hygiene & Public Health, Kolkata.


Indian Council of Agricultural Research ( ICAR) Manipur Centre, Imphal, Lamphelpat is a research complex for north eastern hill region . The poultry unit of this centre was having a total of 940 birds kept in two sheds with a distribution of 560 birds in shed no 1 and 380 birds in the shed no 2 . Out of the 380 birds 125 birds were shifted to Kishan Vikash Kendra, Churachandpur farm on 4/4/2015. On 5/4/2015 death of 16 birds were reported and another 67 birds died on 6/4/2015 in an unusual manner. The remaining 42 birds died on 7/4/15 and post mortem examination was conducted. On 6th April, 2015, five birds were found dead in the ICAR Manipur Centre, Imphal, Lamphelpat poultry unit farm. Dead birds from both centres were sent for post mortem examination at D.I Lab at State Veterinary Dept, Govt of Manipur and was reported as Ranikhet disease. Again on 15th April 357 birds died in ICAR Lamphelpat poultry unit and one dead bird was sent as a sample for confirmation to NIHSAD Bhopal on 17th April. The report was received from NIHSAD Bhopal on 18th April at 6.30 pm. The report declared that sample was positive for Highly Pathogenic Avian Influenza H5N1 virus by Real-time RT-PCR . On 19th April the outbreak of avian influenza was declared and 950 chicks, 7000 kg feeds and 1500 eggs were destroyed. Disinfection of farm and surrounding areas were carried out and sanitary measures including bleaching powder and lime was used in the farm area.

Deployment of the Central RRT at Imphal Manipur

On 21st April 2015 morning the central Rapid Response Team (RRT) reached Imphal on receiving information from Emergency Medical Relief, Ministry of Health & Family Welfare, Govt. of India, Dr Shibani Datta, Professor (Public Health) & Dr Nibedita Das, Microbiologist of All India Institute of Hygiene & Public Health, Kolkata and Dr Shyamalendu Chatterjee, Virologist, ICMR were the members of the Central RRT. Dr Shibani Datta acted as the team leader.

Activities of The Central RRT

Activities at Intersectoral levels


Acknowledgement: The Central RRT acknowledge the support and cooperation from the Principal Secretary, DHS, DC, State RRT, State IDSP cell, State Veterinary Dept. and Regional Director, Imphal Manipur.

Photo1.: Central RRT conducting a meeting with State Health Officials, Govt. of Manipur.

Photo2: Central RRT at Control Room of Dept. Of Veterinary, Imphal, Manipur.


  1. Contingency plan for management of human cases of avian Influenza, Directorate General of Health Services, Ministry of Health and Family Welfare, Govt. of India, Nirman Bhawan, New Delhi, December 2005.
  2. Avian Influenza, including Influenza A (H5N1) in humans: WHO Interim Infection Control Guideline for Health Care Facilities. World Health Organization, 10th May 2007.