What is whistle blowing and how to prevent it?

Whistle blowing is another way of saying tattletale.If someone is a whistle blower they are considered a tattletale.

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A nurse (one example) reporting a hospital trust for putting patients' lives and well being at risk, is a whistle-blower. Now, in the UK, the hospital trust sacking or punishing (demoting, transfering, etc) the nurse is against the law.