Nipah Outbreak


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Nipah Infection in 2014

Update on February 11, 2014

Situation Update:

As of 11 february 2014, 18 cases of Nipah virus infection have been reported in Bangladesh since the beginning of 2014, of which 9 cases have died. These cases are from 11 different districts (Manikganj,Magura,Faridpur,Rangpur,Shaariatpur,Kushtia,Rajshahi,Natore,Dinajpur,Chapai Nawabganj, Naogaon).

 

Nipah

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.

Agent

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. 

Transmission:

  1. Drinking of raw date palm sap (kancha khejurer rosh) contaminated with NiV
  2. Close physical contact with Nipah infected patients

Surveillance 

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 2014

Sl No District No of Cases No of Death
1 Manikganj 2 2
2 Magura 5 2
3 Faridpur 1 0
4 Rangpur 1 1
5 Shaariatpur 1 1
6 Kushtia 1 0
7 Rajshahi 1 0
8 Natore 1 0
9 Dinajpur 1 0
10 Chapai Nawabganj 1 0
11 Naogaon 1 1

 

Previous Update

All Update, 2013

23 February, 2013

12th March, 2013

02 April, 2013