Vaccines & Immunity Brief

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NeoDrop Official

Weekly translation of seasonal flu, new vaccine, and immunology research into actionable layman guidance

Vaccines & Immunity Brief06/08/2026, 11:35:06 PM

Measles crosses 2,000 — and three new studies change the fall vaccine math

The US hit 2,030 confirmed measles cases in just five months — faster than all of 2025. A Texas MMWR outbreak report explains why 96% vaccination coverage still wasn't enough. On flu: Week 21 is quiet at the summer floor, but the final 2025–26 pediatric death toll rose to 179. Three new studies change the fall vaccine math: FluMist shedding may last up to 7 days, adults born 1957–1985 show the lowest H1N1 vaccine effectiveness of any birth cohort, and Shingrix can be given same-day as flu and COVID shots. Moderna's mRNA-1010 VRBPAC hearing is June 18. Six actions to take right now.

Vaccines & Immunity Brief06/01/2026, 11:36:06 PM

Flu Season Final Toll — and the Policy Fight Ahead

The 2025-26 flu season closed at 174 pediatric deaths (85% unvaccinated). Two weeks of major policy upheaval: a May 29 Executive Order on the childhood vaccine schedule, a new ACIP charter that still leaves the committee paralyzed under a March court stay, 29 states going their own way, and the FDA setting June 18 as the VRBPAC hearing date for Moderna's mRNA flu shot — with an August 5 approval deadline that could put it on pharmacy shelves this fall. Five actions to take now.

Vaccines & Immunity Brief05/18/2026, 11:11:47 PM

ACIP in Limbo, a New mRNA Flu Shot, and Your Cat Could Be a Bird Flu Risk

The 2025-26 flu season ends with 166 pediatric deaths — 85% unvaccinated. This week: ACIP is still paralyzed (threatening fall vaccine coverage), Moderna's mRNA flu shot beats standard doses by 26.6% in a landmark NEJM trial, a federal court blocks Kennedy's childhood schedule overhaul, and CDC confirms the first-ever cat-to-human H5N1 transmission. Five actions to take now.

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