![]() ![]() Rapid antigen tests can only tell if you’re infectious in that moment, which is why Dr. “Take an at-home test when symptoms are present, or four to five days following a presumed exposure to someone who is ill and ideally another test 24 to 48 hours after that,” Joseph Petrosino, Ph.D., chair of the department of molecular virology and microbiology at Baylor College of Medicine, tells SELF.Īt-home rapid tests can also come in handy before you gather with people, especially if a high-risk person will be there, like your elderly grandmother or a family member with an underlying illness, William Schaffner, M.D., an infectious disease specialist and professor at the Vanderbilt University School of Medicine, tells SELF. “It’s always been a good idea to have home tests on hand as they are a quick and easy way to know your status,” he says.Īs for when to actually test yourself, it depends, although experts say you’re more likely to get accurate results when you have symptoms. Adalja, M.D., a senior scholar at the Johns Hopkins Center for Health Security, tells SELF. In general, you should probably have a test or two at home just in case, infectious disease expert Amesh A. When should you take an at-home COVID-19 test? iHealth says it’s 94.3% accurate at correctly identifying positive cases and 98.1% accurate at detecting negative samples.On/Go says its test is 95% accurate when it’s used within the first seven days after you developed symptoms.InteliSwab says its test IDs 84% of positive samples in clinical trials and 98% of negative samples.QuickVue says its test picks up positive cases 83.5% of the time, and negative cases 99.2% of the time.BinaxNow says its at-home test detects 84.6% of positive COVID-19 cases and 98.5% of negative cases.Ellume says its at-home test offers 96% accuracy in detecting symptomatic cases of COVID-19 and a 91% accuracy in detecting asymptomatic cases.Here are the current publicly available stats from each company however, it’s not clear how reports of potential lowered accuracy with the omicron variant may affect these numbers. Look at online reviews from different websites to see if the test and/or company seems to be legitimate.Įvery test’s accuracy is a little different, as are the statistics offered to consumers.You can search online for the website, company, or seller’s name, along with words like scam, complaint, or review. Investigate a seller before you buy from them, especially if you’re not familiar with the website.In addition to checking the FDA’s authorized list, the FTC recommends doing the following to make sure you’re buying a legitimate test: The Federal Trade Commission also offered up advice on navigating fake COVID-19 tests last week. The FDA also has a running list of fake COVID-19 products-including at-home antigen tests-that you could cross-reference. ![]()
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