Coronavirus - World Health Organization (WHO)
Sep 29, 2025 · 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 …
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 …
Recommendations announced for influenza vaccine composition …
Sep 26, 2025 · The World Health Organization (WHO) today announced its recommendations for the viral composition of influenza vaccines for use in the 2026 influenza season in the …
Coronavirus disease (COVID-19)
Aug 9, 2023 · Key facts COVID-19 is a disease caused by a virus. The most common symptoms are fever, chills, and sore throat, but there are a range of others. Most people make a full …
Coronavirus - World Health Organization (WHO)
El virus puede propagarse desde la boca o nariz de una persona infectada en pequeñas partículas líquidas cuando tose, estornuda, habla, canta o respira. Estas partículas van desde …
Trends of acute respiratory infection, including human …
Jan 7, 2025 · In many countries of the Northern Hemisphere, trends in acute respiratory infections increase at this time of year. These increases are typically caused by seasonal epidemics of …
Marburg virus disease - World Health Organization (WHO)
Jan 20, 2025 · WHO fact sheet on Marburg haemorrhagic fever provides information on transmission, signs and symptoms, diagnosis, prevention and WHO response.
Chikungunya virus disease- Global situation
Oct 3, 2025 · Chikungunya is a mosquito-borne viral disease caused by the CHIKV, an RNA virus in the alphavirus genus of the family Togaviridae. CHIKV is transmitted by infected female …
Disease Outbreak News - World Health Organization (WHO)
Aug 20, 2025 · Latest WHO Disease Outbreak News (DONs), providing information on confirmed acute public health events or potential events of concern. According to Article 11.4 of the …
Mpox - World Health Organization (WHO)
Mpox (previously known as monkeypox) is a viral disease caused by an orthopoxvirus called monkeypox virus. It spreads mainly through close contact with someone who has mpox, …