Officials with Nelson Marlborough Health are reporting an increase in campylobacteriosis cases during the past month. 24 cases have been notified to the Medical Officer of Health in the past four weeks, compared to a range of 6-16 cases in the same period over the previous five years.
A number of known risk factors for campylobacteriosis have been identified in the people affected. These are: drinking raw (unpasteurised) milk or untreated water, and contact with animals and/or nappies (diapers).
A single source cause has yet to be found and investigations are ongoing.