Home Health News Temperature checks not very effective in detecting COVID-19 infections, research shows

Temperature checks not very effective in detecting COVID-19 infections, research shows

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Temperature and COVID-19 symptom checks like those used at faculties and physician’s workplaces have once more proved insufficient for recognizing coronavirus infections and stopping outbreaks.

A research of Marine recruits discovered that regardless of these measures and strict quarantines earlier than they started training, the recruits unfold the virus to others regardless that hardly any of them had signs. None of the infections had been caught by symptom screening.

The research, printed Wednesday in the New England Journal of Medicine, has implications for schools, prisons, meatpacking vegetation and different locations that depend on this type of screening to detect infections and stop outbreaks.

“We spent a lot of time putting measures like that in place and they’re probably not worth the time as we had hoped,” mentioned Jodie Guest, a public health researcher at Atlanta’s Emory University who had no function in the research.

“Routine testing seems to be better in this age group” as a result of youthful adults typically haven’t any signs, she mentioned.

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The research was led by researchers from the Icahn School of Medicine at Mount Sinai in New York and the Naval Medical Research Center.

It concerned 1,848 Marine recruits, about 90% of them males, who had been instructed to isolate themselves for 2 weeks at residence, then in a supervised navy quarantine at a closed faculty campus, The Citadel in Charleston, South Carolina, for 2 extra weeks. That included having a single roommate, carrying masks, preserving no less than 6 toes aside and doing most training outdoor. They additionally had each day fever and symptom checks.

The recruits had been examined for coronavirus after they arrived for the navy quarantine and 7 and 14 days afterward. Sixteen, or about 1%, examined constructive on arrival and just one had any signs. Another 35 — a further 2% — examined constructive throughout the two-week navy quarantine and solely 4 had signs.

Only recruits who examined detrimental on the finish of each quarantine durations had been allowed to go on to Parris Island for fundamental training.

Genetic testing revealed six separate clusters of instances among the many recruits.

“A lot of the infection that occurs, we don’t even realize it is occurring,” mentioned one research chief, Navy Cmdr. Andrew Letizia, a physician on the Naval Medical Research Center.

The quarantine measures and adherence to them had been much more strict than what would happen at a typical faculty campus, mentioned one other research chief, Mount Sinai’s Dr. Stuart Sealfon.

“This is a really infectious virus. You really need to use a combination of good public health measures, temperature checks, mask wearing, social distancing, hand washing … and comprehensive testing” to stop unfold, he mentioned.

Previously, federal officers mentioned a screening venture to examine temperatures and signs at U.S. airports caught fewer than 15 instances out of 675,000 vacationers. It’s not recognized what number of instances had been missed, simply that very few had been detected.

A separate research printed Wednesday in the New England journal reviews on an outbreak final spring on the plane service USS Theodore Roosevelt. Among the crew of 4,779, principally younger individuals, 1,271 turned contaminated; 77% did not present signs when identified and 45% by no means developed any.

The case shows that “young, healthy persons can contribute to community spread of infection, often silently,” Dr. Nelson Michael of the Walter Reed Army Institute of Research wrote in a commentary.

Copyright © 2020 by The Associated Press. All Rights Reserved.

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