Peptide News Digest

#2026-2027-Formula

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Regulatory · View digest

UK MHRA Authorizes Moderna Spikevax XFG-Adapted COVID-19 Vaccine for Adults 65+ and High-Risk Groups; First-Time Private Purchase Access Outside NHS

Moderna (NASDAQ: MRNA) announced Friday August 28, 2026 that the UK Medicines and Healthcare products Regulatory Agency (MHRA) authorized its updated Spikevax XFG-adapted COVID-19 mRNA vaccine for adults and children aged six months and older, priced for the autumn NHS vaccination program covering adults 65 and older, care home residents, health and social care workers, and clinically vulnerable groups. For the first time in the UK, the updated Spikevax vaccine will also be available to purchase privately for those not eligible for the NHS Autumn vaccination program, distributed through high street pharmacies, occupational health providers, and private healthcare companies. The authorization mirrors the FDA supplemental BLA approval that Pfizer-BioNTech received Wednesday August 27 for Comirnaty XFG, and lands as the roughly $2 billion August 27 Moderna convertible notes raise gears the company for cancer vaccine expansion.

Regulatory · View digest

FDA Approves Pfizer-BioNTech XFG-Adapted Comirnaty for 2026-2027 Season for Ages 65+ and High-Risk Adults and Pediatrics 5-64

Pfizer (NYSE: PFE) and BioNTech (NASDAQ: BNTX) announced Thursday August 27, 2026 FDA approval of the supplemental Biologics License Application for their 2026-2027 XFG-adapted Comirnaty (COVID-19 mRNA vaccine) for adults ages 65 and older and for individuals 5-64 with at least one underlying condition that puts them at high risk for severe COVID-19 outcomes. The XFG-adapted formula was designed to elicit strong immune responses against XFG, XFG.1.1, NB.1.8.1, PQ.17, PQ.2.8.1, and other contemporary lineages. Shipping to distribution centers began immediately after approval. The XFG-adapted authorization for the 2026-2027 respiratory season provides continuity with Pfizer-BioNTech's annual mRNA vaccine cadence and, indirectly, reinforces the manufacturing and lipid-nanoparticle infrastructure that Moderna is now leaning on for the intismeran neoantigen peptide-encoding cancer vaccine program.