Virus respiratoire syncytial (VRS)
Le virus respiratoire syncytial (VRS) est un virus à ARN appartenant à la famille des Pneumoviridae, dont fait également partie le métapneumovirus humain, et qui se divise en deux génotypes (A et B) (1). Le VRS est un virus spécifique et pathogène pour l’humain, qui infecte les cellules des voies respiratoires humaines, du nez aux poumons.

Nipah Virus Infection - India - World Health Organization (WHO)
Between 17 May and 12 July 2025, the Information and Public Relations Department, Government of Kerala informed through a series of official press releases about four confirmed cases, including two deaths, due to Nipah virus (NiV) infection in two districts of Kerala State. NiV infection is a bat-borne disease transmitted to humans through infected animals (such as bats or pigs), contaminated ...

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.

Recommendations announced for influenza vaccine composition for the ...
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 southern hemisphere. The announcement was made at an Information Meeting after a 4-day Consultation on the Composition of Influenza Virus Vaccines.

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.

Enfermedad por el virus del Oropuche - World Health Organization (WHO)
La enfermedad por el virus del Oropuche está causada por una infección vírica que puede causar fiebre, cefalea, dolores articulares y musculares, escalofríos, náuseas, vómitos y exantemas. La mayoría de los infectados se recuperan espontáneamente, pero algunos presentan síntomas graves.

WHO outlines recommendations to protect infants against RSV ...
Today, WHO published its first-ever position paper on immunization products to protect infants against respiratory syncytial virus (RSV) – the leading cause of acute lower respiratory infections in children globally.

Human metapneumovirus (hMPV) infection
Human metapneumovirus (hMPV) is one of the viruses that causes the common cold (upper respiratory infection). It usually makes people only mildly sick, but it can make some people very sick. The virus belongs to the Pneumoviridae family of viruses, along with respiratory syncytial virus (RSV). It was first identified in 2001 and has been spreading among people for many decades. It is found ...

WHO Consultation on the Composition of Influenza Virus Vaccines for Use ...
Recommendations for the composition of influenza virus vaccines for use in the 2026 Southern Hemisphere influenza season; and Review of the need and subsequent selection of new A (H5) and other subtypes or variant viruses for the development of new candidate vaccine viruses for pandemic preparedness purposes.

Marburg Virus Disease–United Republic of Tanzania
Since the declaration of the Marburg Virus Disease (MVD) outbreak on 20 January 2025 in the United Republic of Tanzania, one additional confirmed death was reported by the Ministry of Health from the epicentre of the outbreak in Biharamulo district in Kagera region. As of 10 February 2025, a cumulative of two confirmed and eight probable cases were reported by the Ministry of Health. All 10 ...