Bangladesh: WHO Nipah Virus Infections Update

September 19, 2025 Jennifer Chen Health

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Nipah Virus ⁢Outbreak in ​bangladesh – ⁣2025

Overview

Between ⁣January 1 and August 29, 2025, Bangladesh reported four confirmed fatal cases of Nipah virus (NIV) infection to the World Health Organization (WHO). These cases ‍occurred in⁢ seperate districts across three divisions: ‍Barisal, Dhaka, and Rajshahi. All‌ cases were laboratory-confirmed using PCR and ELISA testing, but no epidemiological link ⁢was established between them, suggesting potential self-reliant sources​ of infection.This outbreak raises​ concerns about‌ the ongoing risk of Nipah virus transmission in Bangladesh.

Case Details

The four confirmed cases presented ⁣with varying onset dates and locations:

case Number Location (District, Division) Symptom Onset Hospitalization Date Date of​ Death confirmation Date Number of Contacts Traced
1 Pabna, Rajshahi january 25, 2025 January ⁢26, 2025 january 28, 2025 January 29, ‌2025 96
2 Bhola, Barisal February 13, 2025 February⁤ 19, 2025 February 22, 2025 February 21, ​2025 71
3 [Information Missing – See Source] [Information Missing – See Source] [Information Missing – See Source] [Information Missing – See Source] [Information missing – See Source] [Information Missing – See source]
4 [information Missing – See Source] [Information Missing – See Source] [Information Missing – See Source] [Information Missing – See Source] [Information Missing – See Source] [Information missing – See Source]

In the first case, a young woman in Pabna district (Rajshahi ⁢division) ‌developed​ symptoms on january 25, 2025,⁢ was hospitalized the following day, and died on January⁣ 28, 2025. Laboratory confirmation of NIV infection⁢ occurred‌ on January 29,⁣ 2025. A ‍total of 96 contacts were ‌identified and tested ⁤negative for the virus.The second case involved an⁤ adult man in bhola district (Barisal division) who exhibited symptoms on February 13, 2025, was hospitalized on February ‍19, 2025, and died on February⁤ 22, 2025. ‌ NIV infection was confirmed on February 21, ⁤2025, and