- Coronavirus - 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 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
- 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
- Seasonal influenza - Global situation
Seasonal influenza (‘the flu’) is an acute respiratory infection caused by influenza viruses that circulate globally and year-round It can cause illness ranging from mild to severe, sometimes resulting in hospitalization or death Seasonal influenza activity has increased globally in recent months, with an increased proportion of seasonal influenza A(H3N2) viruses being detected This
- Coronavirus disease (COVID-19)
WHO fact sheet on COVID-19, including information on symptoms, transmission, treatment, prevention, vaccines and and WHO's work in this area
- Nuevo coronavirus 2019 - World Health Organization (WHO)
La OMS está colaborando estrechamente con expertos mundiales, gobiernos y asociados para ampliar rápidamente los conocimientos científicos sobre este nuevo virus, rastrear su propagación y virulencia y asesorar a los países y las personas sobre la medidas para proteger la salud y prevenir la propagación del brote
- 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
- Virology of human influenza
Influenza virus Human influenza viruses belong to the Orthomyxoviridae family, which consists of the genera influenza A, B, and C virus, thogotovirus (carried by ticks, and infecting humans), and isavirus (infecting fish), as well as of a few other, newly described arboviruses Only influenza A and B viruses cause epidemics in human beings
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