Europe's medicines regulator said on Thursday it had added a rare nerve-degenerating disorder, Guillain-Barré syndrome, as a possible rare side effect from Johnson & Johnson's COVID-19 vaccine after it reviewed 108 cases reported worldwide.

"After assessing the available data, PRAC considered that a causal relationship between COVID-19 vaccine Janssen and GBS is possible," the European Medicines Agency said, referring to its safety committee, PRAC.

(Reporting by Pushkala Aripaka in Bengaluru; editing by Uttaresh.V) ((Pushkala.A@thomsonreuters.com; Twitter: @pullthekart; Mobile: +91 852 751 3793 ;))