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Antibody testing is showing that a lot of Americans already have had the virus and recovered from it.
Antibodies recognize and bind tightly to small molecules (peptide or carbohydrate) termed [[antigens]]. Antigens may be free floating in the blood, or bound to the plasma membrane of a pathogen or presented at the surface by another immune cell. An antibody may directly neutralize a pathogen, mark a microbe for attack, or be used to bind to antigens presented by other cells for further immune stimulation.
Antibodies recognize and bind tightly to small molecules (peptide or carbohydrate) termed [[antigens]]. Antigens may be free floating in the blood, or bound to the plasma membrane of a pathogen or presented at the surface by another immune cell. An antibody may directly neutralize a pathogen, mark a microbe for attack, or be used to bind to antigens presented by other cells for further immune stimulation.
==Covid-19 antibodies==
* Antibody testing is showing that a lot of Americans already have had the virus and recovered from it.<ref> [https://townhall.com/tipsheet/mattvespa/2020/05/05/former-cnn-producer-media-leak-on-june-coronavirus-death-toll-was-irresponsible-n2568234 Media Leak on June Coronavirus Death Toll was Irresponsible Fear-Mongering]</ref>
==References==
==References==