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Pfizer, BioNTech stumble in effort to develop combination flu, COVID shot

Bio Pharma Dive

The vaccine didn’t spur a strong enough immune response against a particular flu strain in a Phase 3 trial, leading the companies to ponder adjustments.

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Moderna vaccine safe and spurs immune response in kids, company says

Bio Pharma Dive

The trial results should allow the company to ask the FDA for approval of its vaccine in younger children, just as Pfizer nears a crucial decision for its shot in 5- to 11-year olds.

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Intranasal delivery of AstraZeneca COVID-19 vaccine fails to generate strong immune response

BioPharma Reporter

Intranasal delivery of ChAdOx1 nCoV-19 failed to induce either a consistent mucosal antibody response or a strong systemic immune response, according to results from a Phase 1 clinical trial released today.

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Sanofi-GSK COVID-19 Vaccine Hits Snag With Insufficient Immune Response in 50+ Population

BioSpace

The COVID-19 vaccine candidate developed by Sanofi and GlaxoSmithKline hit a snag that will delay the launch of a Phase III study due to an insufficient immune response in older trial patients.

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AstraZeneca's COVID-19 Vaccine Boosts Immune Response in Older, Younger Adults

BioSpace

FDA greenlit the restart of AstraZeneca’s Phase III COVID-19 vaccine trial, the company said the preventative medication boosts immune responses in older and younger adults against the novel coronavirus. Days after the U.S.

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Trim the sugar: New HIV vaccine design improves immune response

Medical Xpress

A new HIV vaccine from Scripps Research has shown a significantly improved ability to neutralize the virus in preclinical tests, and it will soon be studied in healthy people who volunteer to participate in clinical trials.

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Merck, chasing Pfizer, claims study success for new pneumonia vaccine

Bio Pharma Dive

The pharma said its latest shot, which covers 21 strains of bacteria, cleared two Phase 3 trials and in some cases spurred a stronger immune response than Pfizer’s Prevnar 20.