Pfizer’s vaccine against respiratory syncytial virus causes a rare and dangerous neurological condition.. What is it?
Dubai, United Arab Emirates (CNN) — After two people received the respiratory syncytial virus (RSV) vaccine during a clinical trial, they were later diagnosed with Guillain-Barre syndrome. The US Food and Drug Administration asked Pfizer to conduct a safety study if the dose was approved, according to agency documents published Friday. The two cases were … Read more