Breakthrough infections generate strong immunity to COVID-19 variants: Study

Washington: People infected after being vaccinated develop a greatly improved immune response to variants of SARS-CoV-2 virus that cause COVID-19, according to a laboratory study.

The research, published in Journal of the American Medical Association (JAMA), shows that a breakthrough infection generates a robust immune response against the Delta variant.

The results suggest that the immune response in such humans is likely to be highly effective against other variants as SARS-CoV-2 virus continues to mutate.

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