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19 minutes ago · Learn how CDC is responding to COVID-19 pandemic. Lab workers. Training & Education. Locate quality trainings and continuing education.
9 minutes ago · Case and death data will be inclusive of both confirmed and probable cases and deaths. The cumulative county COVID-19 case rate map has been replaced with a map ...
Common questions
How long could you test positive on a PCR test after having COVID-19?
After a positive test result, you may continue to test positive for some time after. You may continue to test positive on antigen tests for a few weeks after your initial positive. You may continue to test positive on NAATs for up to 90 days.
Can you be contagious before you test positive for COVID-19?
Generally, a person with COVID-19 is considered infectious starting two days before they develop symptoms, or two days before the date of their positive test if they do not have symptoms, according to the CDC.
Jul 31, 2022
What are the most common symptoms of the COVID-19 Omicron Subvariant BA 5?
BA. 5 symptoms are similar to previous COVID-19 variants and subvariants. The most common symptoms include fever, runny nose, coughing, sore throat, headache, muscle pain and fatigue.
Aug 16, 2022
Can I get reinfected with COVID-19?
Studies suggest that reinfection with SARS-CoV-2 with the same virus variant as the initial infection or reinfection with a different variant are both possible; early reinfection within 90 days of the initial infection can occur.
For informational purposes only. Consult your local medical authority for health advice.
6 hours ago · The updated policy describes the FDA's intent to review only a small subset of new emergency use authorization (EUA) requests for diagnostic tests and ...
6 hours ago · A large international study has confirmed the findings of a previous U.S. study that linked COVID-19 vaccination with an average increase in menstrual cycle ...
8 hours ago · Want to know when you can safely leave home if you tested positive for COVID-19 or what to do when you find out a close contact has COVID-19?
8 hours ago · A recent increase in Covid-19 cases in England doesn't seem to be driven by a new coronavirus variant, at least for now, although several are gaining strength ...
22 hours ago · Canada boasts one of the highest Covid-19 vaccination rates in the world, with 84 percent of its population fully vaccinated against the virus; about 50 percent ...
1 hour ago · Keep up with coronavirus pandemic updates with AP News. Don't miss the latest COVID-19 pandemic news in the US and internationally.
6 hours ago · The latest news and updates on the coronavirus outbreak from CNBC's global ... FDA authorizes emergency use for Novavax Covid-19 vaccine for ages 12 to 17.