He said the cleaning process was much gentler on clothes than conventional methods, and was particularly useful for expensive clothing that could lose its shape and color through washing with water and detergents.

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Washing with Castile soap and icy water, he worried over his scrawniness, his spindle shins, the green yarns of vein in his forearms, his face so thin that his zygomatic bones and jaw shaped harps underneath his ginger-brown, one-inch beard and mustache.

NPR: Excerpt: 'Exiles'

Staff were soaked with water bombs, washing-up liquid was squirted into the eyes of one teacher, and the head's office was "trashed", she said.

BBC: Black teacher assaulted and 'racially abused', court told

Washing your hands with plenty of soap and water or using hand sanitizers with at least 60 percent alcohol is advised as well.

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Mr Gumpert told the jury one of the workers lived in a horsebox with 10 others and the only washing facilities were a cold water tap in the yard and a shared toilet.

BBC: Beds, Herts & Bucks

The team conducted a series of experiments in which known quantities of five such chemicals were mixed with water and passed through a dishwasher, a washing machine, a shower head inside a shower stall or a tap in a bath, all inside a specially designed chamber.

ECONOMIST: Indoor pollution

Other sound but basic advice is for people to use sand to fill pools where mosquitoes might breed, to empty and bury any containers that might fill with rain, and to store water for drinking, cooking and washing in covered containers.

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Limescale in hard water allows the growth of amoebae and the infection seems to be caused when wearers allow tap water to come into contact with their lenses when storing them or washing and showering.

BBC: Blindness risk for contact lens wearers