Nipah Outbreak, 2013

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Nipah Infection in 2013

Update on 15 May, 2013

Situation Update:

As of 15May 2013, 24 cases of Nipah virus infection have been reported in Bangladesh since the beginning of 2013, of which 21 cases have died. These cases are from 13 different districts (Gaibandha, Jhinaidaha, Kurigram, Kushtia, Magura, Manikgonj, Mymenshingh, Naogaon, Natore, Nilphamari, Pabna, Rajbari, Rajshahi). The age distribution of cases is from 8 months to 60 years. Sixteen cases are male and eight are females.



Human Nipah virus (NiV) infection, an emerging zoonotic disease, was first recognized in a large outbreak of 276 reported cases in Malaysia and Singapore from September 1998 through May 1999.


NiV is a highly pathogenic paramyxovirus belonging to genus Henipavirus. It is an enveloped RNA virus.

Incubation period 

The median incubation period of the secondary cases who had a single exposure to Nipah case was nine days (range 6–11 days) but exposure to onset of illness varies from 6-16 days. The median incubation period following single intake of raw date palm sap to onset of illness is 7 days (range: 2-12 days) in Bangladesh. 


    1. Drinking of raw date palm sap (kancha khejurer rosh) contaminated with NiV


  1. Close physical contact with Nipah infected patients


Nipah surveillance began in 2006, Institute of Epidemiology, Disease Control and Research (IEDCR) in collaboration with ICDDR,B established Nipah surveillance in 10 District level Government hospitals of the country where Nipah outbreaks had been identified. Presently surveillance system is functioning in five hospitals of Nipah Belt.

Description of Nipah Patients in 2013

Age in year Sex Address Outcome
24 Male Rajbari Death
11 Male Jhenaidah Death
8 Male Naogaon Death
35 Female Nator Death
0.7 Male Natore Alive
9 Male Gaibandha Death
8 Male Mymensingh Death
41 Male Mymensingh Death
3 Female Pabna Alive
43 Male Pabna Death
30 Female Rajshahi Death
48 Male Nilphamari Death
7 Male Kurigram Death
55 Male Nilphamari Death
45 Female Nilphamari Death
5 Female Kushtia Death
32 Male Naogaon Death
40 Male Naogaon Death
1.8 Male Magura Death
53 Male Manikganj Death
39 Female Manikganj Death
7 Female Manikganj Alive
60 Female Manikganj Death
30 Male Manikganj Death


Previous Update

23 February, 2013

12th March, 2013

02 April, 2013