Mike Dinsdale, Northern Advocate, September 30, 2010 Three Whangarei public health nurses have been sacked for breaching Ministry of Health rules while vaccinating high school students, but their union is challenging the dismissals as "extreme". The three Northland District Health Board (NDHB) nurses were sacked after giving a third booster vaccination to up to a dozen students at Tikipunga High School on August 24. Under Ministry of Health rules, a "crash kit" which contains medical items such as oxygen and adrenalin in case of an emergency reaction to the vaccine has to be on hand. But a New Zealand Nurses Organisation delegate said ... Nurses