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COVID-19: Moderna vaccine confers at least 3 months immunity


London, Dec 04: The Moderna COVID-19 vaccine which was recently demonstrated to have 94 per cent efficacy causes the human immune system to produce potent antibodies that endure for at least three months.

COVID-19: Moderna vaccine confers at least 3 months immunity

The Researchers at the National Institute of Allergies and Infectious Diseases (NIAD) which co-developed the drug said that the anti-bodies that stop SARS-CoV-2 virus from invading the human cells declined slightly over time, as expected but they remained elevated in all participants 3 months after the booster vaccination.

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Although the number of anti-bodies fade over a period of time, that is not necessarily a cause for concern, the study said.

The study encouragingly showed that the vaccine activated a certain type of immune cell that should help out in the so-called memory response, but only longer term study will confirm if this will really be the case.

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