UT Health RGV distributing Pfizer boosters until Thursday COVID-19 News UT Health RGV distributing Pfizer boosters until Thursday Alejandra Yañez September 28, 2021 Earlier today, UT Health RGV announced that it will distribute boosters of the Pfizer-BioNTech COVID-19 vaccine until... Read More Read more about UT Health RGV distributing Pfizer boosters until Thursday