The number of influenza A/H1N1 confirmed cases in New Zealand rose to 507 on Saturday, up 54 from 453 on Friday, Xinhua reported.
The Ministry of Health said on Saturday that there were also 49 probable cases and the number of current active cases reported in the past seven days was 268.
The region housing the largest number of influenza A/H1N1 patients is Wellington, with 173 cases, followed by Auckland, 140, then Canterbury who has 128 people with the virus.