why thermal screening cannot detect people who are infected but not sick
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Thermal scanners cannot detect people who are infected but are not yet sick with fever. This is because it takes between 2 and 10 days before people who are infected become sick and develop a fever.
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Thermal scanner can't detect the people who are infected by some disease but are sick with fever or cough. The reason behind this is that it takes 2 to 10 days people who are infected become sick and develop a fever
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