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  1. New COVID Variant 'Cicada' Is Spreading in 31 States. These Are Its ...

    Apr 13, 2026 · BA.3.2, a heavily mutated new COVID-19 variant that may be better able to evade immunity from vaccines or prior infection, is now spreading in the United States. Although COVID …

  2. COVID-19 - Wikipedia

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

  3. Symptoms of COVID-19 | Covid | CDC

    Mar 10, 2025 · Influenza (Flu) and COVID-19 are both contagious respiratory illnesses, but they are caused by different viruses. COVID-19 is caused by infection with a coronavirus named SARS-CoV …

  4. COVID-19 vaccine study is finally published after CDC journal blocked ...

    2 days ago · A study on COVID-19 vaccine effectiveness has been published after being blocked from a government health journal.

  5. Coronavirus - World Health Organization (WHO)

    Apr 17, 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 …

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

    Mar 13, 2026 · 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 vaccine study the acting CDC director blocked is published in an ...

    2 days ago · The findings suggest Covid vaccines reduced the likelihood of severe illness last fall and winter.

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

    May 31, 2026 · Stay informed about COVID-19 symptoms and prevention. Explore WebMD's comprehensive resource for information on signs, precautions, and the latest updates.

  9. 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.

  10. COVID-19: Causes, Symptoms, Diagnosis, and Treatment

    Sep 10, 2025 · COVID-19, caused by the novel coronavirus SARS-CoV-2, reshaped societies, tested healthcare systems, and reminded humanity of its fragility and interconnectedness.