CDC warns of an association betw severe CNS arboviral disease, w/ neurologic sequelae in pts receiving anti-CD20 mAbs (rituximab, ocrelizumab, ofatumumab, obinutuzumab, etc). West Nile virus was the most common arbovirus, but there are others; mortality up to 40%. Most arbovirus https://t.co/7eMoNgWbB4