Most cognitive research has zeroed in on simian animals and found them to be highly adept in social learning, tool use and other essentials of human-like culture.
The primate version of the virus that causes AIDS is called simian immunodeficiency virus (SIV), but most apes and monkeys that are infected with it show no symptoms of illness.
Short sleeves, after all, carry the whiff of the simian: isn't it the chimpanzee that generally performs in something less than a long sleeve?