National

Health Canada greenlights updated Moderna booster

Darpan News Desk The Canadian Press, 03 Nov, 2022 03:52 PM

OTTAWA - Health Canada has authorized an updated version of Moderna's COVID-19 booster vaccine.

The new bivalent shot targets the Omicron BA.4/BA.5 subvariants and is meant to be used as a booster dose for those aged 18 years and older.

(3/4) After a thorough and independent scientific review of the evidence, Health Canada has determined that the bivalent Moderna Spikevax booster is safe and effective.
— Health Canada and PHAC (@GovCanHealth) November 3, 2022

It comes two months after Health Canada authorized a bivalent booster from Moderna that targeted the Omicron BA.1 subvariant and the original strain.

Health Canada says a bivalent booster triggers "a strong immune response" against both of the more recent Omicron subvariants,as well as the original SARS-CoV-2 virus strains.

The National Advisory Committee on Immunization says Omicron BA.4 and BA.5 are the dominant strains in circulation.

They feature several key mutations from the original SARS-CoV-2 virus, leading NACI to strongly recommend bivalent boosters that target Omicron.

On Oct. 7, Health Canada authorized the Pfizer-BioNTech's bivalent booster for people aged 12 and older. It also targets the Omicron BA.4 and BA.5 subvariants.

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