NewslettersImmunology of Infectious Disease NewsRapid Development of Achalasia After SARS-CoV-2 Infection: Polymerase Chain Reaction Analysis of Esophageal Muscle TissueBy Jamie Kang - February 28, 2024026Investigators prospectively evaluated esophageal muscle for SARS-CoV-2 from patients with rapid-onset achalasia post–COVID-19 and compare them with achalasia predating COVID-19 and achalasia with no COVID-19.[American Journal Of Gastroenterology]Abstract