Coronavirus - World Health Organization (WHO)
Feb 3, 2026 · 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 …
Virus respiratorio sincitial (VRS)
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 …
Nipah virus infection - Bangladesh
Feb 6, 2026 · Nipah virus is a zoonotic pathogen with a high death rate and no licensed vaccine or treatment, though early supportive treatment can save lives. Its reservoirs are fruit bats or flying …
Ebola virus disease - Democratic Republic of the Congo
Sep 3, 2025 · 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 …
Nipah virus infection - Bangladesh
Feb 17, 2023 · Nipah virus infection in humans causes a range of clinical presentations, from asymptomatic infection (subclinical) to acute respiratory infection and fatal encephalitis. Infected …
Recommended composition of influenza virus vaccines for use in the …
Feb 27, 2026 · Related links: Frequently Asked Questions - Recommended composition of influenza virus vaccines Antigenic and genetic characteristics of zoonotic influenza A viruses and development …
Nipah Virus Infection - India - World Health Organization (WHO)
Aug 6, 2025 · 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 …
WHO prequalifies first maternal respiratory syncytial virus vaccine
On 12 March 2025, the World Health Organization (WHO) prequalified the first maternal respiratory syncytial virus (RSV) vaccine to protect infants against one of the most common causes of acute …
Sudan virus disease – Uganda - World Health Organization (WHO)
Sudan virus disease is a severe disease, caused by a virus, Sudan virus (SUDV), belonging to the same family as Ebola virus. It can result in high case fatality. It is typically characterized by acute onset of …
Coronavirus disease (COVID-19)
Nov 27, 2025 · WHO fact sheet on COVID-19, including information on symptoms, transmission, treatment, prevention, vaccines and and WHO's work in this area.