Monthly Surveillance Report - Dec 2005

Thursday 19th September 2019


Key Notifiable Disease Trends

  • Campylobacter: 1605 campylobacter cases were notified in December 2005 compared to 1389 cases notified in the same month of the previous year (Figure 1). Waitemata DHB recorded the highest number of cases (207). South Canterbury DHB recorded the highest annual incidence rate of 689.6 per 100 000 population compared to the national rate of 370.2 per 100 000 population. Fifty cases were hospitalised. For those cases with the relevant information recorded, 47.4% (55/116) consumed food from a food premise, 16.1% (22/137) consumed untreated water, 12.2% (18/148) had faecal contact, 9.2% (14/153) had recreational water contact, 2.1% (3/142) had contact with sick animals, and 1.5% (5/338) had contact with another case during the incubation period.
  • Dengue fever: one laboratory-confirmed case of dengue fever was notified in December 2005. The case was an adult male who had been in India during the incubation period. 
  • Hepatitis A: five cases of Hepatitis A were notified in December 2005, four from Canterbury and one Hutt DHB. Four cases had been overseas during the incubation period (three to Fiji and one to India), and three cases had household contact with another case. Early notification data for January 2006 shows a further 20 cases from Canterbury.
  • Leprosy: one case of leprosy was notified in December 2005. The case was a child in the 10-14 years age group, classified as multibacillary. The case had been in Samoa during the incubation period.
  • Malaria: one case of malaria was notified in December 2005. The case was an adult female infected with Plasmodium vivax who had been in Nigeria during the incubation period. 
  • Meningococcal disease: based on the earliest date available , 13 cases of meningococcal disease were notified during December 2005, of which 12 (92.3%) were laboratory-confirmed. In comparison, 18 cases were notified the previous month, and 17 cases were notified during December 2004. For the previous 12 months, Wairarapa DHB recorded the highest incidence rate of 13.1 per 100 000 population (5 cases). Over the 12 month period, Waikato DHB recorded the highest number of cases (33) with an incidence rate of 10.4 per 100 000 population. The national age-specific incidence rate was highest amongst infants aged less than one year (54.9 per 100 000 population, 30 cases), followed by those in the 1-4 years age group (18.5 per 100 000 population, 40 cases).
  • Pertussis: 169 pertussis cases were notified in December 2005, of whom 39 (23.1%) were laboratory confirmed. Pertussis numbers have decreased from the peak in November 2004 when 613 cases were notified (Figure 2). Canterbury DHB had the highest number of cases (78) in December 2005. For the previous 12 months, South Cantebury DHB had the highest incidence rate of 265.2 per 100 000 population (140 cases), compared to a national rate of 72.8 per 100 000 population. Hospitalisation data was recorded for 131 cases of which 11 (8.4%) were hospitalised. The incidence rate by age group for the previous 12 months was highest amongst infants aged less than one year (228.7 per 100 000 population). This was followed by children in the 10-14 years age group (123.5) and the 5-9 years age group (117.4).
  • Salmonellosis: 115 salmonellosis cases were notified in December 2005 compared to 79 cases notified in the same month last year. Waitemata DHB had the highest number of cases (15 cases). For the previous 12 months, Wairarapa DHB had the highest incidence rate of 65.4 per 100 000 population, compared to a national rate of 36.9 per 100 000 population. Hospitalisation data was recorded for 72 cases of which 7 (9.7%) were hospitalised. The ESR Enteric Reference Laboratory received 60 isolates in December. The predominant type identified was Salmonella Typhimurium phage type 160 (14 isolates).

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Report:

Monthly Surveillance Report - Dec 2005

Tables:

Monthly National Totals - Dec 2005

Monthly DHB Totals - Dec 2005

Monthly Rolling Totals - Dec 2005

 

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Monthly Surveillance Report - Dec 2005

Tables:

Monthly National Totals - Dec 2005

Monthly DHB Totals - Dec 2005

Monthly Rolling Totals - Dec 2005

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