Monthly Surveillance Report - Apr 2004

Saturday 21st September 2019


Key Notifiable Disease Trends

  • Campylobacteriosis: there were 676 cases of campylobacteriosis notified during April 2004 of whom 656 (97.0%) were confirmed. South Canterbury DHB experienced the highest monthly incidence rate of 36.0 per 100 000, compared to a national rate of 18.1 per 100 000.
  • Gastroenteritis: there were 180 gastroenteritis notifications in April. Two cases were hospitalised. The majority of cases (58.3%) were discovered as a result of outbreak investigations, while 34.4% of cases were self-notifications. One hundred and eight cases (60.0%) were linked to 4 outbreaks recorded in the Outbreak Module of EpiSurv.
  • Giardiasis: a total of 118 cases was notified in April 2004 of whom 112 (94.9%) were confirmed. In comparison, 123 cases during the same month the previous year.
  • Meningococcal disease: based on earliest date available, 23 cases of meningococcal disease were notified during April 2004, of which 17 (73.9%) were laboratory-confirmed. In comparison, 30 cases were notified the previous month, and 28 cases were notified during April 2003.
  • Pertussis: during April 2004 there were 67 pertussis notifications, compared to 89 cases the previous month, and 21 cases during April the previous year. Of the 67 April cases, 47.8% (32 cases) were either confirmed by serological means, by PCR or by isolation of Bordetella pertussis. Four of the remaining 35 cases were epidemiologically linked to confirmed cases.
  • Salmonellosis: 90 cases were notified during April 2004, compared to 132 cases during the same month the previous year. April 2004 total was the lowest number of notifications for the month of April recorded in the past five years. Among the 107 human cases confirmed by the ESR Enteric Reference Laboratory (ERL) in April, the most frequently identified serotype was S. Typhimurium (51 cases, including 13 cases of S. Typhimurium phage type 160) and S. Enteritidis phage type 9a (10 cases).
  • Tuberculosis: 27 cases of Tuberculosis were notified in April, of whom 16 (59.3%) were laboratory confirmed. Incidence rate was highest in the 20-29 years age group with a monthly rate of 2.1 per 100 000 (10 cases), compared to the national rate of 0.7 per 100 000. Country of birth was recorded for 22 cases, of whom 10 (45.5%) were born overseas. Among overseas born cases for whom date of arrival in New Zealand was recorded, 6 arrived between one and five years and one case arrived more than five years prior to notification.

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Report:

Monthly Surveillance Report - Apr 2004

Tables:

Monthly National Totals - Apr 2004

Monthly DHB Totals - Apr 2004

Monthly Rolling Totals - Apr 2004

 

DOWNLOADS

Monthly Surveillance Report - Apr 2004

Tables:

Monthly National Totals - Apr 2004

Monthly DHB Totals - Apr 2004

Monthly Rolling Totals - Apr 2004

Ph: +64 4 914 0700 Fax: +64 4 914 0770 Email: survqueries@esr.cri.nz