Thermal scanners are effective in detecting people who have a fever (i.e. have a higher than normal body temperature). They cannot detect people who are infected with COVID-19. There are many causes of fever. Call your healthcare provider if you need assistance or seek immediate medical care if you have fever and live in an area with malaria or dengue. Originally published on the World Health Organization, Emergency, Coronavirus disease (COVID-19) pandemic site under the Mythbusters section.
World Health Organization
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