But the government warns that private water supplies should be closely monitored to avoid contamination.

BBC: Pyre health risk warning

Simple stuff like using a smaller toothbrush to cleanse the mouth or leaving masks on to avoid contamination.

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Mr Ogg then asked if police handling guns would wear gloves and a mask to avoid DNA contamination and Det Con Begley said this was the case.

BBC: Kevin Carroll

The hunt said the suspension was to "avoid further contamination".

BBC: Heythrop Hunt suspended over equine herpes

"We have asked the family if they would be willing to leave so that we can avoid any potential evidence contamination, ... (and) they have agreed to do so, " the police sergeant said.

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Officials urged doctors and hospitals to avoid the pharmacy, which prepared steroid injections for lower back pain that are being investigated for possible contamination.

WSJ: Illnesses Fuel Scrutiny of Pharmacies