Sunday - July 26, 2026
University of Virginia: How Effective Is the First Shot of the Pfizer or Moderna Vaccine?
March 20, 2021
CHARLOTTESVILLE, Virginia, March 20 (TNSRes) -- The University of Virginia issued the following news release:

As the COVID-19 vaccines reach more people across the country, some people have asked: Could we delay the second dose of the Pfizer and Moderna vaccines to allow more people to be vaccinated more quickly? And, how safe am I after my first dose?

As an immunologist, I hear this question frequently. The answer is that a single dose is very effective - but I would a . . .

Targeted News Service Document Request Form

This document is available to you by e-mail if you complete the form below with relevant information. There may be a fee for this article or ongoing service of similar materials. We will be in touch shortly.

Click here for more information about our products