Maternal Vaccinations Act

Introduced

In Committee

Floor

Crossed Over

Passed

Enacted

Overview Bill text 1 History 2 Sponsors

Introduced in Senate Mar 18, 2026 · 355 words Open full page ↗

119TH CONGRESS

2D SESSION

S. 4132

To amend the Public Health Service Act to increase vaccination rates of

pregnant and postpartum individuals, and for other purposes.

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PASSAGE PROBABILITY

1% Unlikely

Why this number

Stage base Introduced — base rate 2%, measured from US's completed sessions
Momentum -8 15/100 from the pace of recorded action
Time since last action -22 212 days quiet

A transparent scoring model over stage, momentum, recency, sponsorship and recorded votes — not a trained predictor. Treat it as a way to rank attention, not as a forecast.