https://www.cdc.gov/covid/signs-symptoms/index.html
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-2, and flu is caused by infection with one of the influenza viruses.
https://en.wikipedia.org/wiki/COVID-19
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.
https://en.wikipedia.org/wiki/COVID-19_pandemic
The global COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak in Wuhan, China, in December 2019. It spread to other parts of Asia and then worldwide in early 2020.
https://www.cdc.gov/covid/index.html
Treatment Learn about the types of COVID-19 treatments, symptom management, and recovery.
https://www.who.int/health-topics/coronavirus
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 recover without requiring special treatment. However, some will become seriously ill and require medical attention.
https://www.today.com/health/coronavirus/new-covid-variant-ba32-cicada-symptoms-2026-rcna265088
Apr 13, 2026 · The heavily mutated new BA.3.2 COVID-19 variant, aka "cicada," is circulating in at least 31 U.S. states, data show. What to know about its spread and symptoms.
https://www.cnn.com/2026/08/04/health/covid-19-what-we-know-now
1 day ago · Here’s what we’ve learned – and how our understanding has evolved – since the earliest cases of the novel coronavirus were first reported.
https://www.mayoclinic.org/diseases-conditions/coronavirus/symptoms-causes/syc-20479963
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.
https://www.who.int/news-room/fact-sheets/detail/coronavirus-disease-%28covid-19%29
Nov 27, 2025 · WHO fact sheet on COVID-19, including information on symptoms, transmission, treatment, prevention, vaccines and and WHO's work in this area.
https://www.webmd.com/covid/covid-19-symptoms
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.
