Elon Musk Casts Doubt on<br />COVID-19 Testing After Receiving<br />Positive and Negative Results.<br />Musk took to Twitter on Thursday night<br />to reveal that he might have COVID-19. .<br />The Tesla CEO said he’d been experiencing mild<br />cold-like symptoms over the past few days, including<br />“mild sniffles," a "cough" and a "slight fever.".<br />However, after taking four rapid antigen<br />tests, two came back negative and two<br />came back positive for COVID-19. .<br />Musk, an outspoken COVID-19 skeptic,<br />called the mixed results “extremely bogus.”.<br />Something extremely bogus is going on. Was tested<br />for covid four times today. Two tests came back<br />negative, two came back positive. Same machine,<br />same test, same nurse. Rapid antigen test from BD, Elon Musk, via Twitter.<br />After engaging with a number of people<br />on Twitter who also seemed skeptical<br />of testing, Musk revealed that he was<br />having even more testing done. .<br />He said that he was getting a PCR test<br />from two separate labs, with the results<br />expected in about 24 hours. .<br />According to the FDA, “positive results<br />from antigen tests are highly accurate.”.<br />PCR tests are even more accurate, as they<br />work by detecting COVID-19 on a molecular level