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Antigen Tests

All articles tagged with #antigen tests

health2 years ago

"Challenges in COVID Testing Reliability by 2024"

In 2024, negative COVID-19 test results may be less reliable due to a delay in detecting the virus, possibly caused by quicker onset of symptoms and accumulated immunity. If your first test is negative, it's recommended to retest after 48 hours and consider getting a PCR test. It's important to stay cautious, especially around vulnerable individuals, and not to trust early negative results. Free COVID-19 tests are available, but it's crucial to check for expiration dates to ensure reliability.

via KQED|
#antigen-tests#covid-19#health
health2 years ago

COVID Testing: Duration of Positive Results Explained by Experts

The duration of testing positive for COVID-19 can vary depending on the type of test used. PCR tests, considered the "gold standard," detect viral genetic material and can remain positive for up to 90 days, but that doesn't necessarily mean someone is infectious for that long. Antigen tests, which detect viral proteins, are usually less sensitive and may remain positive at seven days, but infectivity is likely diminished. If you test negative after being positive, your likelihood of being infectious is low. The CDC advises using two negative antigen tests spaced 48 hours apart to end isolation earlier. After 10 days, most people are no longer contagious, but if you continue to test positive, it's best to assume you're still infectious and behave accordingly. Retesting after five days of symptoms or a positive test with no symptoms can help guide the end of isolation.

via Women's Health|
#antigen-tests#contagious#covid-19
health2 years ago

"Free At-Home Covid Tests Return: How to Get Yours"

The Biden administration will resume taking orders for free at-home COVID-19 tests starting September 25, with each household eligible to request four tests through the government's COVIDTests.gov portal. The tests will be shipped through the U.S. Postal Service and are not directly affected by a potential government shutdown. The tests being offered are antigen tests, which are cheaper and easier to use but have a higher chance of yielding false negative results. The government is also providing funding to boost domestic manufacturing of COVID-19 tests, with $600 million awarded to a dozen manufacturers to produce an additional 200 million tests.

via CBS News|
#antigen-tests#at-home-tests#biden-administration