WHO Scientific advisory group issues report on origins of COVID-19
Jun 27, 2025 · The WHO Scientific Advisory Group for the Origins of Novel Pathogens (SAGO), a panel of 27 independent, international, multidisciplinary experts, today published its report on the origins of …
Coronavirus - World Health Organization (WHO)
Dec 5, 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 illness and …
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 …
Chikungunya epidemiology update - June 2025
Jun 11, 2025 · Chikungunya virus (CHIKV) is a mosquito-borne virus primarily transmitted by Aedes mosquitoes. It causes acute illness characterized by fever, rash, and debilitating joint pain, with some …
Seasonal influenza - Global situation
Nov 30, 2025 · Seasonal influenza (‘the flu’) is an acute respiratory infection caused by influenza viruses that circulate globally and year-round. It can cause illness ranging from mild to severe, sometimes …
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.
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 …
Nuevo coronavirus 2019 - World Health Organization (WHO)
En este sitio web se puede encontrar información y orientaciones de la OMS acerca del actual brote de enfermedad por coronavirus (COVID-19) que fue notificado por primera vez en Wuhan (China) el 31 …
Ebola virus disease - Democratic Republic of the Congo
Dec 1, 2025 · Ebola virus is enzootic and a resurgence from viral persistence in survivors has been described in recent epidemics. Re-emergence of EVD is a major public health concern in the …
Mononucleosis (glandular fever)
May 12, 2025 · Mononucleosis, often called glandular fever, mono or the kissing disease, is a common illness, especially among teens and young adults.