In reply to spidermonkey09:
Did you touch a squirrel, or did a squirrel climb in the area? I would definitely worry about leprosy.
By the way, most spider monkeys (Ateles geoffroyi), like squirrel monkeys (Saimiri sciureus), carry fancy herpes viruses, but these cause leukemia in other monkeys, not skin disease....
CB
PS: actually, not really!