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  1. Symptoms of COVID-19 | COVID-19 | CDC

    Mar 10, 2025 · People with COVID-19 have a wide range of symptoms ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus. Symptoms may start as …

  2. Reconnaître le Covid-19 et ses symptômes, adopter les bons ... - ameli

    Oct 22, 2025 · Le Covid-19 est une maladie infectieuse virale causée par un coronavirus, le Sars-CoV-2. Cette maladie est apparue en Chine fin 2019 et le virus a été découvert début janvier 2020. En …

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

    Dec 5, 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 …

  4. Coronavirus Symptoms: Early Signs, Serious Symptoms - WebMD

    Nov 3, 2025 · COVID-19 is a respiratory condition caused by a coronavirus. Some people are infected but don’t notice any COVID-19 symptoms (doctors call that being asymptomatic). Most people have …

  5. Coronavirus disease 2019 (COVID-19) - Symptoms and causes

    Oct 21, 2025 · 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 started …

  6. Covid-19 : symptômes, traitement, prévention - Institut Pasteur

    Découvert en décembre 2019 dans la province de Wuhan en Chine, le coronavirus SARS-CoV-2 est à l’origine de la Covid-19. Cette maladie infectieuse émergente est très contagieuse et se transmet par …

  7. COVID-19 - Wikipedia

    Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic.

  8. COVID-19 | Santé publique France

    La COVID est une infection virale contagieuse. L’adoption de gestes barrières et la vaccination permettent de se protéger de l’infection et de ses complications en limitant la transmission du virus à …

  9. Coronavirus (COVID-19): Symptoms, Transmission, Treatment and More

    Jul 26, 2024 · In 2019, COVID-19 began generating headlines worldwide because of its unprecedented transmission speed. Its origins can be traced back to a food market in Wuhan, China, in December …

  10. Alerte Covid | info.gouv.fr

    Oct 9, 2023 · La grippe et le Covid-19 sont toujours là : la vaccination est le moyen le plus efficace de vous protéger. Faites-vous vacciner contre chacun de ces virus. Parlez en à votre pharmacien. …