several adults at a house remodeling project have had the same symtoms over a course of several weeks. first the homeowner who is helping and present everyday had sore muscles in back and shoulder, night sweat!, tiredness. next my wife, the painter, tired, with upper arm muscle and shoulder blade pain. i experienced back and leg pain, night sweat early on, tiredness. we are in are 60s. in talking the 2 electricians said they had the same symtoms. they are in their 20s. at first we blamed physical excersion and treated with aleve and aspercream. still experiencing aches that move around the body and return in a day or 2. appetites are good, no rash, no headache. thanks for your help.