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 …

May 30, 2025 · 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 …

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 …

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

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

Aug 20, 2025 · Latest WHO Disease Outbreak News (DONs), providing information on confirmed acute public health events or potential events of concern. According to Article 11.4 of the …

Apr 2, 2025 · WHO fact sheet on poliomyelitis, a highly infectious disease caused by a virus. The fact sheet includes key facts, global caseload, Global Eradication Initiative, progress, WHO …

Sep 3, 2025 · Ebola virus disease is a serious, often fatal illness in humans. The virus is transmitted to humans through close contact with the blood or secretions of infected wildlife …

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 …