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  1. Coronavirus - 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 …

  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. 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.

  4. 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.

  5. 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.

  6. 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.

  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-19 | Cause, Symptoms, Treatment, & Prevention | Britannica

    4 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.

  9. COVID‑19 - Ontario.ca

    Sep 12, 2022 · Find COVID‑19 (coronavirus) information and resources for individuals, employees, business owners and employers. Book a vaccine and stay up-to-date with public health advice.

  10. Covid-19 - NBC News

    Get the latest news stories and videos on the Coronavirus with trackers on vaccines, hospitalizations, and deaths.