Emerging Infectious Disease ISSN: 1080-6059
Volume 12, Number 2—February 2006
Perspective
Detecting Hepatitis B Surface Antigen Mutants
Figure

Figure. Gly/Arg 145 mutant in the projecting amino acid 139–147 antigenic loop of the "a" determinant. This mutant produces false-negative results in some commercial assays. Image courtesy of Y.C. Chen et al. (11).
Lessons from the History of Quarantine, from Plague to Influenza A
Length: 23:11





