Sadly PCR tests for COVID also test positive for flu and half a dozen other causes. That's why CDC/FDA are seeking proposals for a new test that actually works!
Sigh. The deniers and antivaxers will have made up their minds already, and this will just be perceived as part of the mass media coverup. It's hopeless.
That is simply false on a basic level. That notice by the CDC says the EXACT OPPOSITE of your comment. They're recommending that labs switch to a multiplex test that can screen for both flu and covid at the same time because PCR only detects SARS CoV 2.
Note: the "multiplex test" is most likely still a PCR test (just 'multiplex PCR' instead of 'single-probe PCR'), so where you say "PCR only detects SARS CoV 2" it should say "the currently-used PCR test only detects SARS CoV 2".
https://www.reuters.com/article/factcheck-covid19-pcr-test-i...