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 …

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 …

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 …

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 …

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 …

Jan 20, 2025 · WHO fact sheet on Marburg haemorrhagic fever provides information on transmission, signs and symptoms, diagnosis, prevention and WHO response.

Apr 24, 2025 · The virus can get into the human population when people have close contact with the blood, secretions, organs or other bodily fluids of infected animals such as fruit bats, …

Jan 10, 2025 · Human metapneumovirus is a common cause of upper respiratory infections among infants and children under 5 years old. While anyone can catch hMPV, infants, older …

Feb 4, 2025 · WHO questions and answers page on chickenpox, including information on transmission, symptoms, complications, treatments and prevention.

Aug 26, 2024 · Mpox is caused by the monkeypox virus (MPXV). It is an enveloped double-stranded DNA virus of the Orthopoxvirus genus in the Poxviridae family, which includes …