Bangladesh: WHO Nipah Virus Infections Update
- Between January 1 and August 29, 2025, Bangladesh reported four confirmed fatal cases of Nipah virus (NIV) infection to the World Health Organization (WHO).
- The four confirmed cases presented with varying onset dates and locations:
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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