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Thermal screening corona positive mariz ko detect karne me kaise help karta hai !???
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When our body tries to kill the bacteria and viruses that cause infection our body temperature rises.
At higher temperature these specie faced difficulty to survive
Thermal screening actually measures radiation .
The amount of radiation increses with temperature . so we can measure temperature variation. if someone have fever then detected .
note :- corona is also a virus.
hope it helps
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