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- WHO Scientific advisory group issues report on origins of COVID-19
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 SARS-CoV-2, the virus responsible for the COVID-19 pandemic
- Coronavirus disease (COVID-19) - World Health Organization (WHO)
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 recover without requiring special treatment However, some will become seriously ill and require medical attention
- 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 lower respiratory infections in children globally
- Marburg virus disease - Ethiopia
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 Ebola viruses MVD has a high case fatality rate, ranging from 24% to 88% from previous outbreaks The case fatality rate can be lowered with good and early patient care The virus is initially transmitted to humans from fruit
- Chikungunya epidemiology update - June 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 patients experiencing long-term joint pain and disabilities
- Ebola virus disease - Democratic Republic of the Congo
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 Democratic Republic of the Congo; gaps remain in the country's capacity to recover, prepare for, and respond to outbreaks
- Marburg virus disease - World Health Organization (WHO)
WHO fact sheet on Marburg haemorrhagic fever provides information on transmission, signs and symptoms, diagnosis, prevention and WHO response
- Avian Influenza A (H5N5) - United States of America
In the case of a confirmed or suspected human infection caused by a novel influenza A virus with pandemic potential, including avian influenza viruses, early clinical management, a thorough epidemiologic investigation of animal exposure history, travel, and contact tracing should be conducted even while awaiting the confirmatory laboratory results
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