Pfizer and Moderna Vaccine Booster Boost Antibodies to J&J Vaccine Recipients

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Preliminary results of a clinical study suggest that people who receive Johnson & Johnson’s single-dose COVID vaccine may have better protection from booster shots (booster) Pfizer or Moderna vaccines.

A study by the US National Institutes of Health (NIH) found that those who received the Johnson & Johnson vaccine had a more than sevenfold increase in their antibody levels after receiving the vaccine. booster Moderna, compared to triple their antibody levels after receiving the injection booster Pfizer.

Pfizer booster vaccine. (Photo: illustration).

According to the researchers, those who received the second injection of Johnson & Johnson experienced a fourfold increase in their antibody levels.

This comes as an advisory panel of the US Food and Drug Administration (FDA) is scheduled to begin their two-day meeting on Thursday. The panel will discuss whether to recommend booster Johnson & Johnson and Moderna vaccines.

The US Centers for Disease Control and Prevention (CDC) has authorized the administration of booster Pfizer vaccine for certain people starting six months after the last injection of the two vaccine doses. [uh/ab]

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