Now they are using a latrine, using safe water both in drinking and household work, maintaining hygiene.

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Richard Billinge, from the Meat Hygiene Service which oversees the work of Great Britain's abattoirs, said more than half of the 305 red meat slaughterhouses were closed on Monday.

BBC: John Jones

Though dirty glasses won't cause an eye infection, saliva "is not the best hygiene method, and it just won't work very well, " she says.

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And on the hygiene front - well, I've seen people turn up to work in the same shirt every day.

BBC: Doctors