New syndrome

Post-Vaccination Syndrome: A Descriptive Analysis of Reported Symptoms and Patient Experiences After Covid-19 Immunization Yale Listen to Immune, Symptom and Treatment Experiences Now (LISTEN) Study (online) LISTEN study, approved by Yale University Institutional Review Board Introduction A chronic post-vaccination syndrome (PVS) after covid-19 vaccination has been reported but has yet to be well characterized. A chronic syndrome with symptoms that begin soon after vaccination Methods People who joined, May 2022 to July 2023 N = 241 individuals, (211 from the US) aged 18 and older, who self-reported PVS after covid-19 vaccination, Deep immune profiling is used for some individuals Results Median age of participants, 46 years Among participants with PVS 127 (55%) had rec