New COVID boosters are nothing more than old ones, small study finds

M/CLEAR

Moderna and Pfizer’s bivalent booster vaccines failed to develop levels of protective proteins called neutralizing antibodies against dominant strains of omicron in more than four doses of the original COVID-19 vaccines, according to an initial independent study by a small organization of people.

Researchers at Columbia University and levels of protective proteins from the University of Michigan, called neutralizing antibodies, in blood samples from 21 other people who received a fourth injection of the bivalent boosters Moderna or Pfizer-BioNTech SE compared to antibody levels in 19 other people who gained 4 of the original vaccine shots.

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