As the COVID-19 pandemic continues, many people ask which type of immunity offers the best defense against the SARS-CoV-2 variant Delta.
Immunity to disease results when antibodies are developed in a person's system to that particular disease, says the U.S. CDC. Moreover, antibodies are produced from both vaccines and virus infections.
According to new reports, a significant number of people already have both vaccine-generated and natural infection antibodies.
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