You're reading: Wall Street Journal: US government scientists skeptical of one-shot regimen for Pfizer, Moderna vaccines

Wall Street Journal: US government scientists skeptical of one-shot regimen for Pfizer, Moderna vaccines

By Wall Street Journal.

Published March 7, 2021. Updated March 7 at 5:00 am

A health worker holds a vial of Pfizer-BioNTech vaccine against the coronavirus at a vaccination centre set up at the Dubai International Financial Center in the Gulf emirate of Dubai, on Feb. 3, 2021.

Photo by AFP

U.S. government scientists are pushing back against calls for one-dose regimens for two Covid-19 vaccines designed to be administered with two shots, saying there isn’t enough evidence that a single dose provides long-term protection.