Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention.

Understanding the Context

El virus respiratorio sincitial (VRS) es una de las causas más comunes de infección aguda de las vías respiratorias inferiores en niños en todo el mundo, además de provocar una carga sustancial de enfermedad respiratoria grave en las personas mayores. Related links: Frequently Asked Questions - Recommended composition of influenza virus vaccines Antigenic and genetic characteristics of zoonotic influenza A viruses and development of candidate vaccine viruses for pandemic preparedness in the 2026-2027 northern hemisphere influenza season Recommended composition of influenza virus vaccines for use in the 2026 ... Ebola virus disease is a serious, often fatal illness in humans. The virus is transmitted to humans through close contact with the blood or secretions of infected wildlife and then spreads through human-to-human transmission.

Key Insights

On 3 February 2026, the International Health Regulations National Focal Point (IHR NFP) for Bangladesh notified WHO of one confirmed case of Nipah virus (NiV) infection in Rajshahi Division. The patient developed fever and neurological symptoms on 21 January. Nipah virus infection was laboratory-confirmed on 29 January. The patient reported no travel history but had a history of consuming raw ... Between 17 May and 12 July 2025, the Information and Public Relations Department, Government of Kerala informed through a series of official press releases about four confirmed cases, including two deaths, due to Nipah virus (NiV) infection in two districts of Kerala State.

Final Thoughts

NiV infection is a bat-borne disease transmitted to humans through infected animals (such as bats or pigs), contaminated ... Ongoing activities in this respect include regular issuance of Disease Outbreak News posts, supporting ongoing research, updating guidance, monitoring virus trends, and evaluating vaccine composition. To guide this shift, WHO has developed a strategic and operational plan to help countries manage COVID-19 as part of routine health systems.