| viruses isolated from panamanian sloths. | seven virus strains were isolated in vero cells from whole blood samples from 80 wild-caught sloths, bradypus variegatus and choloepus hoffmanni, from central panamá. four strains of at least two different serotypes are related to changuinola virus; two of these were associated with prolonged or recrudescent viremias. one strain is an antigenic subtype of punta toro virus, and another, described here as bradypus-4 virus, is a new, antigenically ungrouped virus. a second new virus from sloths, ut ... | 1983 | 6316795 |