Moderna COVID-19 vaccine conferred at least 3 months of immunity — study.
A study showed Thursday that Moderna COVID-19 vaccine, which the company said was recently demonstrated to have 94% efficacy, caused the human immune system to produce potent antibodies that could endure for at least three months.
Researchers at NIAID (National Institute for Allergies and Infectious Diseases), which co-developed the said drug, studied the immune response of 34 adult participants — young and old — from the first stage of a clinical trial.
Writing in the New England Journal of Medicine, they said that the antibodies — which stopped the SARS-CoV-2 virus from invading human cells — “declined slightly over time, as expected, but they remained elevated in all participants 3 months after the booster vaccination.”
The said vaccine, called “mRNA-1273”, was administered in two injections given 28 days apart.
READ ALSO: Moderna Plans To Start Testing Its COVID-19 Vaccine In Children
NIAID director Anthony Fauci and other experts had said that it’s very likely that the immune system would remember the virus if re-exposed later on and then produced new antibodies.
Encouragingly, the said study showed that the said vaccine activated a certain type of immune cell that should help out in the so-called memory response, but only longer term study would confirm if this would really be the case.
Virologist Benjamin Neuman, a virologist at Texas A&M University-Texarkana, said that positives from the said study included evidence that a relatively strong antibody response remained 90 days after the second dose of the said vaccine.
READ ALSO: Moderna Applies For Emergency Use Authorization Of Its COVID-19 Vaccine
Moderna COVID-19 vaccine would be reviewed on December 17 by the advisory committee of the Food and Drug Administration in the United States (US FDA) and could be approved for an emergency use authorization soon after.
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