J&J: Booster dose of its Covid shot prompts strong response

London, September 21

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Johnson & Johnson released data showing that a booster dose to its one-shot coronavirus vaccine provides a strong immune response months after people receive a first dose.

J&J said in statement Tuesday that it ran two early studies in people previously given its vaccine and found that a second dose produced an increased antibody response in adults from age 18 to 55.

The study’s results haven’t yet been peer-reviewed.

“A booster dose of the Johnson & Johnson Covid-19 vaccine further increases antibody responses among study participants who had previously received our vaccine,” said Dr Mathai Mammen, global head of research and development at J&J.

The company is in talks with regulators, including the US Food and Drug Administration, the European Medicines Agency and others regarding using booster doses of its vaccine. AP