Coronavirus disease (COVID-19) - 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 …
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 …
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 …
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 …
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 …
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.
Ebola virus disease - Democratic Republic of the Congo
Sep 5, 2025 · Epidemiology Ebola virus disease is a severe disease caused by the Ebola virus (EBOV). The virus belongs to the species Orthoebolavirus Zairense. The virus is transmitted to …
Coronavirus disease (COVID-19) – World Health Organization
Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
Disease Outbreak News - World Health Organization (WHO)
Disease Outbreak News (DONs) are published relating to confirmed or potential public health events, of: Unknown cause with a significant or potential international health concern that may …
Influenza (seasonal) - World Health Organization (WHO)
Feb 28, 2025 · Influenza C virus is detected less frequently and usually causes mild infections, thus does not present public health importance. Influenza D viruses primarily affect cattle and …