Yahoo Web Search

Search results

1. 

2. www.cdc.gov › coronavirus › 2019-ncovAbout COVID-19 | CDC

   www.cdc.gov › coronavirus › 2019-ncov

   • Cached

   Apr 9, 2024 · COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly. Over one million people have died from COVID-19 in the United States. COVID-19 most often causes respiratory symptoms that can feel much like a cold, the flu, or pneumonia.

3. www.nejm.org › coronavirusCoronavirus (Covid-19) | NEJM

   www.nejm.org › coronavirus

   Feb 14, 2024 · Feb 21, 2024. FREE. Persistent False Positive Covid-19 Rapid Antigen Tests. C. Herbert, D.D. McManus, and A. Soni. Among more than 11,000 participants, 1.7% had at least one false positive...

4. www.hopkinsmedicine.org › health › conditions-and-diseasesWhat Is Coronavirus? | Johns Hopkins Medicine

   www.hopkinsmedicine.org › health › conditions-and-diseases

   • Cached

   Jul 29, 2022 · COVID-19 is the disease caused by SARS-CoV-2, the coronavirus that emerged in December 2019. COVID-19 can be severe, and has caused millions of deaths around the world as well as lasting health problems in some who have survived the illness.