Dr. Tina Peers: The Role of Mast Cell Activation in Long COVID & Vaccine Injury Feature Pandemic Watch Dr. Tina Peers: The Role of Mast Cell Activation in Long COVID & Vaccine Injury William Collier August 13, 2025 Dr. Tina Peers explains how Mast Cell Activation Syndrome (MCAS) influences individual responses to COVID-19 infections and... Read More Read more about Dr. Tina Peers: The Role of Mast Cell Activation in Long COVID & Vaccine Injury