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  • Surveillance and Data Analytics | Covid | CDC
    COVID-19 Surveillance Data in the United States Early Indicators Test positivity (the percentage of total reported tests that are positive) and the percentage of total emergency department visits due to COVID-19 are key metrics to assess the impact of COVID-19 on communities For public health professionals, these metrics act as early indicators of potential increases in COVID-19 activity
  • COVID-19
    Official California COVID-19 resource page with updates, guidelines, and information on testing, vaccines, and safety measures
  • COVID-19 - Wikipedia
    COVID-19 - Wikipedia
  • Coronavirus disease 2019 (COVID-19) - Symptoms and causes
    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
  • COVID-19 cases | WHO COVID-19 dashboard
    WHO will utilize various sources to continue monitoring the COVID-19 epidemiological situation via the WHO COVID-19 dashboard If data for certain countries is unavailable in this section, it may indicate that they have either ceased reporting COVID-19 surveillance data to WHO or have integrated the COVID-19 surveillance into existing respiratory disease surveillance In the latter case, SARS
  • COVID-19 | Cause, Symptoms, Treatment, Prevention | Britannica
    COVID-19, highly contagious respiratory illness, the cause of the COVID-19 pandemic COVID-19 is caused by the coronavirus known as SARS-CoV-2 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
  • Coronavirus Disease (COVID-19): Symptoms Treatment
    COVID-19 (Coronavirus) Medically Reviewed Last updated on 02 28 2025 COVID-19 is an illness caused by the SARS-CoV-2 virus It spreads through respiratory droplets Symptoms include fever, cough, shortness of breath, runny or stuffy nose, body aches and more COVID can cause mild to severe illness Early treatment with antiviral medications can reduce your symptoms and your risk for severe
  • Coronavirus News and Latest Updates - CNBC
    The latest news and updates on the coronavirus outbreak from CNBC’s global teams in Asia, Europe and the U S
  • COVID-19 testing and vaccinations - USAGov
    See where to get tested for COVID-19 and where to get a COVID-19 vaccination or booster Find vaccination help if you have a disability
  • Coronavirus Resource Center - Harvard Health
    COVID-19 (coronavirus disease 2019) is a respiratory illness caused by the SARS-CoV-2 virus It is very contagious, and spreads quickly Most people with COVID-19 have mild respiratory symptoms that feel much like a cold or flu But it can be much more serious for older adults, people with underlying medical conditions, and those who haven’t been vaccinated against COVID-19 Some people may





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