Study: Anti-CD20 Treatments, Gilenya Lower Effectiveness of COVID-19 VaccinesCertain treatments for୵ltiple sclerosisS) נspecifically, anti-CD20 antibody therapies andǩlenyaਦingolimod) נare likely to reduce the..#Multiple Sclerosis·disorders.solutions·Dec 25, 2021Study: Anti-CD20 Treatments, Gilenya Lower Effectiveness of COVID-19 Vaccines