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  1. 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 …

  2. 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 …

  3. Marburg virus disease - Ethiopia - World Health Organization (WHO)

    Nov 21, 2025 · Marburg virus disease (MVD) is a severe hemorrhagic fever caused by either of two closely related viruses, Marburg virus and Ravn virus, which are closely related to the …

  4. 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 …

  5. 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 …

  6. 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.

  7. 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 …

  8. 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 …

  9. 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.

  10. Nuevo coronavirus 2019 - World Health Organization (WHO)

    La OMS está colaborando estrechamente con expertos mundiales, gobiernos y asociados para ampliar rápidamente los conocimientos científicos sobre este nuevo virus, rastrear su …