Virus strains from two of these primate species, SIVsmm in sooty mangabeys and SIVcpz in chimpanzees, are believed to have crossed the species barrier into humans, resulting in HIV-2 and HIV-1, respectively.
642 Acres Lafayette, Boulder County, Colorado. $14,000,000. Conveniently located northeast of Boulder with direct access to the Denver corridor, this spectacular and spacious farm is situated on 642 acres.
Location:In north-central Colorado, beginning at the eastern edge of the Arapaho-Roosevelt National Forest (see separate entry) and extending east through Fort Collins and Larimer County to Greeley and Weld County up to Â¼ miles west of its confluence with the South Platte River.