what are antibodies how do they help in protecting against infection
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A blood protein produced in response to and counteracting a specific antigen. antibodies combine chemically with substances which body recognises as alien, such as bacterias, viruses and foreign substances in the blood.
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A blood protein produced in response to and counteracting a specific antigen. antibodies combine chemically with substances which body recognises as alien, such as bacterias, viruses and foreign substances in the blood. These also help in fighting the latest Covid-19 as well
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