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HomeSciencePfizer launches study of omicron-specific COVID-19 vaccine

Pfizer launches study of omicron-specific COVID-19 vaccine

Pfizer and BioNTech are launching a medical trial to check an omicron-specific model of their COVID-19 vaccine, the businesses introduced as we speak. They’re shifting ahead with research of a brand new type of the vaccine in response to considerations that the unique shot isn’t stopping an infection with the most recent variant of coronavirus or delicate COVID-19 sickness — although it seems to be holding up effectively by way of stopping hospitalization and dying, particularly for individuals who obtained a booster.

The unique two-dose sequence of the gene-based COVID-19 vaccines, made by Pfizer / BioNTech and Moderna, don’t seem to supply a lot safety in opposition to an infection with the omicron variant with the virus. A 3rd booster dose restores a few of that safety, nevertheless it’s unclear how lengthy that safety lasts. Two pictures are nonetheless considerably efficient in opposition to extreme sickness and dying, however the third dose solidifies that safety.

Omicron has a slate of mutations that makes it harder for antibodies produced in opposition to the unique type of the virus, that are the kinds generated by the vaccines, to dam it. The hope is that an omicron-specific type of the vaccine, which ought to push the physique to provide omicron-specific antibodies, would supply longer-lasting safety in opposition to an infection, delicate sickness, and critical instances of COVID-19.

The newly launched research will check an omicron-specific shot in 1,420 folks. Individuals who have already obtained two doses of the unique vaccine will get an extra one or two doses of the omicron-specific shot. Individuals who have already obtained three doses of the unique will get both an extra dose of the unique or one dose of the omicron shot. And a 3rd set of people that have by no means been vaccinated will get three doses of the omicron-specific shot.

“This research is a part of our science-based strategy to develop a variant-based vaccine that achieves the same stage of safety in opposition to omicron because it did with earlier variants however with longer period of safety,” stated Ugur Sahin, CEO and co-founder of BioNTech, in a press release.


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