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 Ebola viruses. …

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

Oct 3, 2025 · Chikungunya is a mosquito-borne viral disease caused by the CHIKV, an RNA virus in the alphavirus genus of the family Togaviridae. CHIKV is transmitted by infected female mosquitoes, …

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 illness and …

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 and then spreads …

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 the origins of …

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, chimpanzees, …

Jul 15, 2025 · WHO fact sheet on HIV and AIDS with key facts and information on signs and symptoms, transmission, risk factors, testing and counselling, prevention, treatment and WHO response.

May 30, 2025 · Respiratory syncytial virus (RSV) is a common respiratory virus that causes symptoms similar to the common cold, including a runny nose, cough and fever. RSV can cause more severe …

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 variola, cowpox, …