Here's why coronavirus temperature checks could be completely useless

By now, you have probably had several coronavirus temperature checks, as they have become somewhat of a default way for people to evaluate if a person has contracted the virus.

But what if temperature checking isn't as reliable as we think it is? According to a recent paper published in the journal Travel Medicine and Infectious Disease, researchers found that temperature checks may not be all they are cut out to be, especially in younger individuals. The researchers conducted a study on 85 men doing basic military training, the median age of the group was 21 years old, and all the men were confirmed to have COVID-19.

The researchers examined each of the men and found that while there fevers were initially high, their body temperatures reduced back down to normal. Additionally, the researchers found that after five days, none of the patients had a fever and that 83% of the patients didn't even develop a fever. Lastly, none of the patients developed a fever for longer than three days. So, why is this concerning?

Well, researchers have basically agreed that a person with a COVID-19 infection can be infectious up to 10 days after the initial infection. This means that the temperature screening process for at least these military men, in particular, wouldn't have detected the virus within the ten infectious days, which could then result in them passing the virus on to someone else.

Here's what the researchers said, "Screening for fever is not sensitive enough to detect the vast majority of COVID-19 cases in the age group between 18-25 years. Even a low-temperature cut-off value of 37.1°C [98.8 degrees Fahrenheit] will miss more than a third of symptomatic cases of COVID-19 on the day of diagnosis and will cause a large number of false-positives."

If you are interested in reading more on this subject, check out this link here.

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