https://cdnph.upi.com/ph/st/th/2661787870807/2026/upi/d81cdb5561a92e4b9da27cb276b64832/v1.5/FDA-approves-latest-version-of-Pfizers-COVID-19-mRNA-vaccine.jpg" /> The Food and Drug Administration has approved the latest version of Pfizer and BioNTech's COVID-19 vaccine, the companies announced Thursday.