There are claims on social media that thermal scanner technology (such as thermal scanners) is effective in detecting COVID-19. These claims have grown as the use of this technology has increased in places such as business and airports.
The World Health Organization has said that thermal scanners are not effective in detecting if a person has COVID- 19.
A viral test is the only way to detect if a person has COVID-19.
Thermal scanners are effective in detecting if a person has a fever (i.e. a higher than average body temperature).
A fever is one of the symptoms of COVID-19; however, there are many other possible causes of a fever.
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