Fauci: "somebody comes in, & they repeat their PCR, & it's like [a] 37 cycle threshold, but you almost never can culture virus from a 37 threshold cycle (Ct)."; so why did the CDC set it at Ct 40?
by Paul Alexander
Fauci: "Over-sensitive tests can pick up just "dead nucleotides" rather than live virus"; In little noticed July interview, Fauci warned that widely used COVID tests may pick up 'dead' virus
"What is now sort of evolving into a bit of a standard," Fauci said, is that "if you get a cycle threshold of 35 or more ... the chances of it being replication-confident are minuscule."
"It's very frustrating for the patients as well as for the physicians," he continued, when "somebody comes in, and they repeat their PCR, and it's like [a] 37 cycle threshold, but you almost never can culture virus from a 37 threshold cycle."
"So, I think if somebody does come in with 37, 38, even 36, you got to say, you know, it's just dead nucleotides, period."