* Sanitary conditions deteriorate as survivors camp out * Thousands eat, sleep, wash and defecate in open camps * Health risks mount, emergency latrines needed PORT-AU-PRINCE, Jan 21 (Reuters) - A child squats to defecate yards away from a sidewalk where women press plantain into bite-sized pieces for frying and a naked toddler plays with a pile of rice on the filthy ground. Nearby, a dead body has been dumped on the street, right in front of a sea of morose people sitting on grubby mattresses, and a garbage collector uses a shovel to scoop up soggy black mounds of...
