Monthly Surveillance Report - Aug 2004

Wednesday 18th September 2019


Key Notifiable Disease Trends

  • Chemical poisoning: five cases with elevated carboxyhaemoglobin due to exposure to a domestic gas supply to a hot water cylinder were notified in August. The cases ranged in age from 12 to 46 years, all from the same family. All cases were hospitalised.
  • Influenza: during August, 453 consultations for influenza-like illness were reported from 82 general practices (on average) in 22 out of 24 health districts.  The average weekly consultation rate for August was 32.1 per 100 000 patient population, compared to a rate of 56.0 per 100 000 patient population during the same month last year. South Auckland had the highest consultation rate (100.0 per 100 000).
  • Meningococcal disease: based on earliest date available, 41 cases of meningococcal disease were notified during August 2004, of which 28 (68.3%) were laboratory-confirmed. Counties Manukau DHB recorded the highest current rate of 19.7 per 100 000 population. The current rate of disease was highest amongst infants aged less than one year (102.5 per 100 000 population), followed by children in the 1-4 years age group (47.2).
  • Pertussis: during August 2004, 352 cases were notified which is the highest number notified in any one month since November 2000. Of the 352 August 2004 cases, 81 (23.0%) were laboratory-confirmed. Nelson-Marlborough DHB had the highest current incidence rate of 138.8 per 100 000 population (78 cases), compared to a national rate of 39.1 per 100 000 population. Southland DHB recorded the highest number of cases (84) for August 2004.
  • Rickettsial disease: One probable case of rickettsial disease with a raised Q fever (Coxiella burnetti) titre was reported from Otago DHB in August. The case was a male in the 40-49 years age group who had been resident in Australia for 20 years. No additional information on risk factors was recorded.
  • Shigellosis: 20 shigellosis cases were notified in August 2004 compared to two notified cases during August the previous year.  The total so far this year of 94 cases is higher than the 62 cases for the same period last year. The cases were from Hutt (11), Waitemata (2), Auckland (2), Wairarapa (2), Counties Manukau (1), Waikato (1), and Capital and Coast (1) DHBs.  The ESR Enteric Reference Laboratory received isolates from 15 of the 20 cases. The species involved were: 3a (7 cases), S. flexneri 2a (4), S. flexneri 6 (1), S. sonnei Biotype a (1), S. sonnei Biotype g (1), and S. species (1).

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Report:

Monthly Surveillance Report - Aug 2004

Tables:

Monthly National Totals - Aug 2004

Monthly DHB Totals - Aug 2004

Monthly Rolling Totals - Aug 2004

 

DOWNLOADS

Monthly Surveillance Report - Aug 2004

Tables:

Monthly National Totals - Aug 2004

Monthly DHB Totals - Aug 2004

Monthly Rolling Totals - Aug 2004

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