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Major Surveillance Issues

- Campylobacteriosis is
showing an unusually high incidence for October and November throughout
New Zealand. If this pattern continues New Zealand can expect a
particularly high rate over summer.
- Salmonellosis incidence
in 2001 will be the highest ever notified in New Zealand. The
continuing STM 160 epidemic is contributing to the sustained rise with
this organism now representing 47% of total Salmonella isolates. A
recent investigation of STM 160 identified 'contact with an individual
with diarrhoea in the previous month' and 'contact with wild birds' as
risk factors.
- Meningococcal disease
incidence remains elevated with a cumulative total of 605 cases for the
year to date. As yet there is no sign of any deceleration in incidence
that usually takes place over summer.
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