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Early data shows Pfizer vaccine less effective against Omicron

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A study of early data from the Omicron COVID variant suggests that those with the Pfizer vaccine are significantly less protected against it than against previous strains of the disease.

The research, carried out by the South Africa-based Africa Health Research Institute, showed that the Omicron variant “escapes antibody immunity induced by the Pfizer-BioNTech (Comirnaty) vaccine.”

Alix Segal, a professor at AHRI and the author of the study, tweeted that the data shows a “large drop” in the vaccine’s efficacy against the Omicron variant.

Those involved with the study — which has not been peer-reviewed and examined blood samples from 12 participants — cautioned against drawing conclusions from the data.

“The clinical implications of these important laboratory data need to be determined,” said AHRI executive director Willem Hanekom. “It........

© The Times of Israel

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