Epidemic is expected to return, although only five cases have been confirmed so far.

Australian authorities are investigating the death of a toddler within 12 hours of her receiving a flu vaccination.

Demand for the influenza vaccine has been so high that some medical practices have been left without supplies.

The swine flu virus is being blamed for a leap in the number of pregnant women dying in New Zealand and Australia.

New Zealanders are being urged to have flu jabs soon, ahead of a likely second round of the international swine flu pandemic.

A controversial reasearch paper was withdrawn as a result of a preliminary verdict that the authors had acted 'dishonestly' and 'irresponsibly'.

Medical journal's editors retract paper 12 years after it was published, saying several of its elements are "incorrect".

About one-third of swine flu patients admitted to NZ and Australian intensive care units had no underlying health problems, a study has found.

Scores of Auckland children not vaccinated against measles are being urged to stay away from school after coming into contact with the potentially fatal disease.