Covid. New Moderna booster vaccine also effective in Omicron subgroups

This was stated by the same company that is developing the updated version of its COVID-19 vaccine designed against the Omicron 1 variant. The latest tests have in fact highlighted a strong immune response against the other Omicron sub-variants, including B 4 and B 5. The company hopes for approval in the fall.


(Reuters) -The updated version of the anti vaccine COVID-19 from Moderndesigned to attack the variant Omicron BA.1induced a strong immune response even against subgroups of Omicron BA.4 and BA.5, very contagious. The announcement comes from the US biotech itself.

The updated vaccine – which Moderna hopes will be approved as a booster in the fall – is a bivalent preparation that affects both the original 2020 strain of coronavirus, as well as the first version of Omicron, which circulated widely in the past winter.

“The antibody response is strong and powerful,” he said at a news conference Paul Burton, Moderna’s Chief Medical Officer. “This is probably a long-lasting effect and I think the booster or primary vaccination done with this updated vaccine could really represent a game changer in our fight against the SARS-COV-2 virus.”

Moderna also stated that the geometric mean titers of neutralizing antibodies BA.4 and BA.5 are comparable to the level of neutralizing antibodies to the Delta variant induced by the third dose of the original vaccine, which has already been shown in reality to be protective against infections.

The company plans to apply to regulatory authorities in the coming weeks to seek approval for the updated vaccine – called mRNA-1273.214 – for the next autumn season.

Source: Reuters

(Italian version of Quotidiano Sanità and Daily Health Industry)

June 24, 2022
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