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  1. Coronavirus - World Health Organization (WHO)

    Dec 25, 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 …

  2. Coronavirus - Wikipedia

    Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal.

  3. Coronavirus disease (COVID-19) - Canada.ca

    Links to COVID-19 (coronavirus) information for Canadians including current situation, statistics, financial support, your health, travel, immigration, safety and awareness resources.

  4. Coronavirus Disease 2019 (COVID-19) | Covid | CDC

    COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly.

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

    Oct 21, 2025 · Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.

  6. COVID-19 | Cause, Symptoms, Treatment, & Prevention | Britannica

    5 days ago · There is no cure for COVID-19, but individuals can be protected against severe illness through vaccination. Learn about the symptoms, treatment, and prevention of COVID-19.

  7. COVID-19 - Johns Hopkins Medicine

    COVID-19 is the disease caused by SARS-CoV-2, the coronavirus that emerged in December 2019. Learn about symptoms, diagnosis, treatment and prevention.

  8. COVID - Coronavirus Statistics - Worldometer

    Daily and weekly updated statistics tracking the number of COVID-19 cases, recovered, and deaths. Historical data with cumulative charts, graphs, and updates.

  9. Coronavirus & COVID-19 Overview: Symptoms, Risks, Prevention ... - WebMD

    Dec 26, 2022 · COVID-19 is a new type of coronavirus that causes mild to severe cases. Here’s a quick guide on how to spot symptoms, risk factors, prevent spread of the disease, and find out what to do if …

  10. Coronavirus Disease (COVID-19): Symptoms & Treatment

    COVID-19 is an illness caused by the SARS-CoV-2 virus. It spreads through respiratory droplets.