"FDA rules initially prevented state and commercial labs from developing their own coronavirus diagnostic tests, even if they could develop coronavirus PCR primers on their own. So when the only available test suddenly turned out to be bunk, no one could actually say what primer sets worked.
"The CDC and FDA reversed course and lifted this rule on February 24, and commercial and academic labs are now allowed to participate. 'Lots of people are working on this, and we’re on the phone all the time with each other comparing notes,' says Jerome. 'At least in our hands, it seems that some of the CDC primers work better than others, some of the WHO primer sets look really good, and some from academic groups look great also.'”
"The CDC and FDA reversed course and lifted this rule on February 24, and commercial and academic labs are now allowed to participate. 'Lots of people are working on this, and we’re on the phone all the time with each other comparing notes,' says Jerome. 'At least in our hands, it seems that some of the CDC primers work better than others, some of the WHO primer sets look really good, and some from academic groups look great also.'”