Fact Check: PCR Tests For Coronavirus Do NOT Pierce The Blood-Brain Barrier
Fact Check
Do PCR (polymerase chain reaction) tests for coronavirus pierce the blood-brain barrier? No, that's not true: There's no way for a nasal swab to reach the barrier without going through bone, according to a leading public health expert who has studied the Covid-19 virus. The claim appeared as a Facebook post (archived here) on July, 6, 2020. It opened: This…