Mosquito-borne disease cases decreased in New Zealand in 2020 and 2021

The surveillance report for "Mosquito-borne disease in New Zealand" has just been published.

  • Mosquito-borne disease cases decreased in New Zealand in 2020 (74 cases) and 2021 (16 cases) after an average of 284 cases per year from 2015–2019.
  • Pacific Island and African countries were common travel destinations for individuals returning to New Zealand with mosquito-borne diseases in 2021.
  • There were no known cases contracted locally; all cases were caught overseas before returning to Aotearoa, New Zealand.
  • Mosquito-borne disease rates were highest for males, and individuals aged 15-34.

The surveillance report can be found here.