RT Journal Article SR Electronic T1 Difference in Mechanism of Viral Neutralization under in Vitro and in Vivo Conditions JF The Journal of Immunology JO J. Immunol. FD American Association of Immunologists SP 284 OP 288 VO 96 IS 2 A1 Cremer, Natalie E. A1 Lennette, Edwin H. A1 Hagens, Shirley J. A1 Fujimoto, Frances Y. YR 1966 UL http://www.jimmunol.org/content/96/2/284.abstract AB Fab and F(ab′)2 from anti-WEE γ-globulin neutralized WEE virus in vitro but not in vivo. The results could not be explained by differences in heterogeneity of viral preparations or in the species of cell line used in the two assay systems.