According to new research, people who have had COVID enjoy strong immunity against the coronavirus for at least a year after they were initially infected. In analyzing antibodies present in the blood of COVID patients, Rockefeller scientists were able to track the evolution of these mutable molecules. They found that vaccination boosts the immunity these individuals naturally develop upon infection, so much that they are likely protected even from the emerging variants.
The 63 people in the study had COVID in the spring of last year. Data from their follow-ups show that, over time, antibodies produced by the immune system’s memory B cells got better and better at neutralizing SARS-CoV-2, suggesting that these people were developing an improved, long lasting defense against the virus.
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