A 19-year-old Canadian tourist has died after contracting one of Australia's most rare mosquito-borne diseases.

Scientists have been able to convert skin cells into liver cells, a breakthrough that could one day eliminate the need for organ transplants.

Obese young children are vulnerable to bone fractures and more likely to develop osteoporosis in old age, British study finds.

A devastating pig disease which broke out in the North Island in 2003 and crossed to the South Island in 2006 is still spreading, farmers say.

Despite being born in Auckland, Peta is not entitled to free healthcare as her parents aren't citizens.

New figures reveal HIV amongst gay and bisexual men in NZ is at its worst level since the virus entered NZ in the 1980s.

There have been 22 cases of gastroenteritis since the Christchurch earthquake.

Readers' views on compulsory vaccination.

Parents are being warned that unimmunised children will have to stay away from school for up to two weeks if they come into contact with measles.

Fifteen people in the Auckland region are now confirmed to have measles since an Emirates flight arrived in Auckland from Brisbane in mid-January.

Zinc supplements have been confirmed in a large international study as an effective treatment of the common cold.

The threat of a potentially fatal superbug is growing, and infection control officials cannot see any let-up.