Momentum is starting to grow to get more Americans vaccinated and stop the spread of the more infectious Delta variant. A roundup of some of the most popular but completely untrue stories and visuals of the week. None of these are legit, even though they were shared widely on social media. The Associated Press checked them out. Here are the facts: CDC encourages use of new tests that detect both COVID-19 and the flu CLAIM: The Centers for Disease Control and Prevention revoked Emergency Use Authorization for coronavirus PCR tests because they were inaccurate, led to false positives and confused positive influenza cases with COVID-19.