An article in The Vaccine Reaction provides increasing evidence that it’s a mistake to base public health policies on “positive” PCR test results.
“Health experts now say that PCR testing for SARS-CoV-2, the virus associated with the illness COVID-19, is too sensitive and needs to be adjusted to rule out people who have insignificant amounts of the virus in their system. The test’s threshold is so high that it detects people with the live virus as well as those with a few genetic fragments left over from a past infection that no longer poses a risk. It’s like finding a hair in a room after a person left it, says Michael Mina, MD, an epidemiologist at the Harvard T.H. Chan School of Public Health.
In three sets of testing data that include cycle thresholds compiled by officials in Massachusetts, New York and Nevada, up to 90 percent of people testing positive carried barely any virus, a review by The New York Times found.”