Although the survival rate of natalizumab-associated progressive multifocal leukoencephalopathy (PML) is better than PML in HIV patients, long-term they may need some assistance and care, Ralf Gold, ...

SAN DIEGO – All multiple sclerosis patients taking natalizumab (Tysabri) who were diagnosed with progressive multifocal leukoencephalopathy (PML) before symptoms appeared were still alive a year later ...

A differential blood count revealed grade 3 lymphocytopenia (Figure 1, and Tables S1 and S2 in the Supplementary Appendix). Retrospective analysis revealed that the lymphocytopenia had reached grade 3 ...