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  1. 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 …

  2. COVID-19 symptoms, spread and prevention - Department of Health …

    Mar 13, 2025 · What COVID-19 is Symptoms How it spreads Prevention If you’re exposed Treatment Support Data and statistics What we’re doing What COVID-19 is COVID-19 is a common and highly …

  3. 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.

  4. 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 …

  5. 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 …

  6. 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.

  7. Coronavirus disease (COVID-19) - World Health Organization (WHO)

    Mar 28, 2023 · The most common symptoms of COVID-19 are. fever ; chills; sore throat. Other symptoms that are less common and may affect some patients include: muscle aches; severe fatigue …

  8. Advice for the public - World Health Organization (WHO)

    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 …

  9. 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 …

  10. 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 …