Maintenance: On Tuesday, February 12, 2019, maintenance work on some network components is scheduled from 19:45-22:30 hrs. ZORA will not be available during this period.
Hofmann-Lehmann, Regina; von Beust, B; Niederer, E; Condrau, M A; Fierz, W; Aubert, Andre; Ackley, C D; Cooper, M D; Tompkins, M B; Lutz, Hans (1992). Immunization-induced decrease of the CD4+:CD8+ ratio in cats experimentally infected with feline immunodeficiency virus. Veterinary Immunology and Immunopathology, 35(1-2):199-214.