The NFL uses a new metric called the cycle threshold to determine the status of COVID-positive players

HOUSTON, Texas (KTRK) – In the NFL, there are numbers nearly everywhere, whether it’s on jerseys, scoreboards or markers. But, in this COVID-19 age, there is one magic number: the cycle threshold.

Cycle threshold, known as CT, is a metric used in PCR testing for COVID. Those tests, which tell us whether a patient tests positive or if the virus goes undetected, have analytical loops or cycles that look for the virus. The cycle threshold is a number that can indicate whether a person is still contagious. It’s like keeping the score in a football game. The higher the number, the better.

At the end of the season, The NFL has turned its policies around. The league now considers a CT value of 35 or higher to be equal to a negative COVID test.

As a result, vaccinated players who test positive for the virus can return to the team if they produce a CT value of 35 or higher, as the federation does not consider such players contagious. .

We asked Dr. Catherine Troisi, an infectious disease epidemiologist with UTHealth School of Public Health, how reliable are these CT values.

Dr Troisi notes: “Lower cycle thresholds mean more viruses. “But let’s say it’s 20 versus 40. What does that mean? Does it mean 20 isn’t contagious? We really don’t know. It’s not perfect, but the NFL wants to get the players back on the field. .”

Since numbers can tell us how contagious a person is, should the public be tested for CT values?

“Not all labs can report cycle thresholds,” says Dr. Troisi. “It will also take extra time to get results, and if it takes you three days to get your results, you don’t want to add to that.”

Copyright © 2022 KTRK-TV. Copyright Registered. The NFL uses a new metric called the cycle threshold to determine the status of COVID-positive players

Dais Johnston

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