Experts warn Houston should prepare for a potentially severe respiratory season after new vaccination data shows declines in several adult vaccines and public trust in health authorities is weakening.

Key findings

IQVIA vaccination data (pharmacies, mail-order and long‑term care) for August through November 21, 2025 shows:

COVID-19 adult vaccinations down about one‑third compared with last year.

Influenza vaccinations in retail channels down roughly 6% versus the same period in 2024.

RSV vaccinations also declined in retail channels.

Pneumococcal vaccine administrations rose nearly one‑third, driven in part by guideline changes recommending vaccination for adults 50 and older (previously 65+).

Note: this IQVIA dataset covers retail channels only and does not include vaccinations giv

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