| prevalence and phylogenetic analysis of hepatitis b virus among nonhuman primates in taiwan. | hepatitis b virus (hbv) is a public health problem worldwide, and apart from infecting humans, hbv has been found in nonhuman primates. this study investigated the prevalence and phylogenetic analysis of hepatitis b virus (hbv) and hepatitis d virus (hdv) among nonhuman primates in taiwan, an area where human hbv remains endemic. serum samples from 286 captive nonhuman primates (i.e., 32 great apes [pan troglodytes and pongo pygmaeus], 42 gibbons [hylobates sp. and nomascus sp.], and 212 cercopi ... | 2009 | 19746868 |