
Coronavirus disease 2019 (COVID-19) - Symptoms and causes
Mar 13, 2026 · Overview Coronavirus disease 2019 (COVID-19), is an illness caused by a virus. The virus is called severe acute respiratory syndrome coronavirus 2 or, more commonly, SARS-CoV-2. It …
Coronavirus disease (COVID-19)
Nov 27, 2025 · WHO fact sheet on COVID-19, including information on symptoms, transmission, treatment, prevention, vaccines and and WHO's work in this area.
Coronavirus - World Health Organization (WHO)
Feb 3, 2026 · 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 …
Coronavirus disease (COVID-19)
Mar 28, 2023 · Symptoms of severe COVID‐19 disease which need immediate medical attention include: difficulty in breathing, especially at rest, or unable to speak in sentences skin being cold or …
Advice for the public: Coronavirus disease (COVID-19)
Mar 18, 2023 · Naming the coronavirus disease (COVID-19) and the virus that causes it Risk communication and community engagement Country-level coordination, planning, and monitoring …
COVID-19, cold, allergies and the flu: What are the differences?
Oct 22, 2025 · Coronavirus disease 2019 (COVID-19) can cause many of the same symptoms as the common cold, seasonal allergies and the flu. So how can you tell if you have COVID-19? It may help …
Enfermedad del coronavirus 2019 (COVID-19) - Mayo Clinic
Mar 13, 2026 · La enfermedad del coronavirus 2019 (COVID-19) es causada por el virus SARS-CoV-2. Obtén más información sobre los síntomas, los riesgos y las formas de protegerte.
COVID-19 symptoms and severity - World Health Organization (WHO)
Jul 19, 2021 · COVID-19: symptoms Symptoms of COVID-19 can vary, but mild cases often experience fever, cough, and fatigue. Moderate cases may have difficulty breathing or mild pneumonia. While …
Long COVID: Lasting effects of COVID-19 - Mayo Clinic
Aug 23, 2024 · COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about the symptoms and effects of long COVID.
Middle East respiratory syndrome coronavirus (MERS-CoV)
Dec 11, 2025 · Middle East respiratory syndrome (MERS) is a viral respiratory disease caused by a coronavirus (MERS-CoV) that was first identified in Saudi Arabia and Jordan in 2012. Coronaviruses …