Answers are grounded in this paper and cite their sources.
An aged Barbary ape (Macaca sylvanus) at the Toronto Zoo became infected with naturally acquired West Nile virus encephalitis that caused neurologic signs, which, associated with other medical problems, led to euthanasia. The diagnosis was based on immunohistochemical assay of brain lesions, reverse transcriptase-polymerase chain reaction, and virus isolation.
No takes yet. Share an insight, caveat, or question.
Ølberg et al. (2004) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: