Antibodies Persist for More Than a Year After COVID-19 Infection, Study Finds

Article references a study where scientists investigated antibody levels one year after infection by randomly selecting 367 subjects who hadn’t yet been vaccinated. Eighty-nine percent of the subjects still carried neutralizing antibodies, and 36 percent still carried the IgG antibody. Notably, antibody levels were higher in those who had experienced severe COVID-19 disease compared to those who had mild disease. Also article references study published in Nature Medicine that found that the levels of neutralizing antibodies in a person are highly predictive of immune protection against infection.

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