See all DONs related to this event Read more about Nipah virus infection Situation at a glance On 26 January 2026, the National IHR Focal Point for India notified WHO of two laboratory‑confirmed cases of Nipah virus (NiV) infection in West Bengal State. Both are healthcare workers at the same private hospital in Barasat (North 24 Parganas district). NiV infection was confirmed at the National Institute of Virology in Pune on 13 January.