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Study shows vaccines may protect against new COVID-19 strains—and maybe the common cold.

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A new study by Johns Hopkins Medicine researchers provides evidence that CD4+ T lymphocytes — immune system cells also known as helper T cells — produced by people who have received either of the two messenger RNA (mRNA) vaccines for COVID-19 caused by the original SARS-CoV-2 strain also will recognize the mutant variants of the coronavirus that are rapidly becoming the dominant types worldwide.

The researchers say this suggests that T cell responses elicited or enhanced by the vaccines should be able to control the current SARS-CoV-2 variants without needing to be updated or modified. They also found that the same T cells may provide some protection from another member of the coronavirus family that is responsible for one type of the common cold.

hopkinsmedicine.org/news/ne...

Journal of Clinical Investigation. Study Paper:

jci.org/articles/view/149335

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regarding protection against infections. https://www.endocrine.org/news-and-advocacy/news-room/2020/