Research Letter This research letter adds to a recent publication from Schmeling, Manniche, and Hansen (2023) [1] that identified unexpected, batch-dependent suspected adverse events (SAEs) following Pfizer’s BioNTech’s BNT162b2 mRNA COVID-19 vaccination (Pfizer-BioNTech). The study associated vaccine lot dose allocations with SAEs rates from data collected in Denmark between 12/27/20 and 1/11/22. The researchers classified … Continue reading Batch-dependent Safety of the BNT162b2 mRNA COVID-19 Vaccine in the United States