Theres not a great answer. Practicality, says Gregory Poland, a vaccinologist and internal medicine specialist at the Mayo Clinic in Rochester, Minnesota. Studies have shown that rapid tests are able to catch up to 85 percent of COVID-19 casesmeaning theres plenty of room for error. Likewise, Piltch-Loeb says that tests seem to be picking up the virus within about two days of exposure as well. Centers for Disease Control and Prevention. Testing is the only way to really know what risk you pose to yourself and to your community, he says. Reinfections In general, if everyone is fully vaccinated, asymptomatic and has a negative PCR test, the risk will be low and people do not universally need to wear a mask, particularly if gathering outdoors, she says. Thats because it takes around 2 weeks for your body to build protection against the virus. If the second test is negative, then your results are inconclusive, and you should get a PCR test to be certain. Youre left with some uncertainty as to what your status is.. After using a shared bathroom, disinfect the toilet seat and handle, as well as the faucet handles, soap dispenser, counter and light switch. What if I Get Sick or Test Positive While in Quarantine? Still, experts point out that some protection against the virus is still better than none. Isolation for 5 days followed by wearing a well-fitting mask will minimize the risk of spreading the virus to others. According to the CDC, officials suspected the Omicron strain, since the index patient (a 48-year-old man) had recently returned from Nigeria. Anyone who has COVID-19regardless of vaccination status, symptoms, or variant typecan spread the virus to others. Current studies might not include the mildest cases, and the incubation period could be different for these. If you test too early, you may be more likely to get an inaccurate result. (It should be noted that only one member in the household was fully vaccinated; the rest were unvaccinated and previously had COVID-19 or symptoms associated with the illness.). Some brands of tests are more reliable than others, too: Piltch-Loeb suggests checking the CDC website, which lists the SARS-CoV-2 rapid antigen tests that have been authorized for emergency use in the U.S. recommends an isolation period of 10 to 20 days. Heres how scientists suggest using tests to stay safe.
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