Antibodies last over a year after COVID-19 infection, according to study

Those who experienced severe infection had higher levels of antibodies.

Most people who have been infected with SARS-CoV-2, the virus that causes COVID-19, will carry antibodies for at least a year, according to a recent peer-reviewed study.

Their findings included 96% of subjects still carrying neutralizing antibodies and 66% with the nucleoprotein IgG antibody.

After randomly selecting 367 subjects from the original cohort who were not yet vaccinated a year following infection, the scientists found that 89% of subjects still had neutralizing antibodies, and 36% with the IgG antibody.

The neutralizing antibodies «were only slightly reduced» in the Alpha variant and «considerably declined» in the Beta variant. However, «over 80% of the subjects who had recovered from severe» SARS-CoV-2 infection still had neutralizing antibodies against the Delta variant a year after being infected.

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Source: Just the news