Monthly Surveillance Report - Oct 2007

Monday 23rd September 2019


Key Notifiable Disease Trends

  • Brucellosis: one confirmed case of brucellosis was notified in October 2007 from Waitemata DHB. The case is thought to have acquired the disease more than 20 years ago in Iraq.
  • Hazardous substances injury: one case of accidental hazardous substances injury was reported in October 2007 from Counties Manukau DHB. The case received superficial burns from methamphetamine. The case was hospitalised but discharged on the same day.
  • Legionellosis: 12 cases of legionellosis were notified in October 2007 compared to four notified cases in the same month of the previous year (Figure 1). The cases were from Waitemata (4), Counties Manukau (3), Northland (2), Canterbury (2), and Lakes (1) DHBs. Four cases were hospitalised. The cases were in the following age groups: 40-49 years (4), 60-69 years (4), 70+ (2), and 30-39 years (1), and 50-59 years (1). The species involved was identified for eight of the cases: Legionella pneumophila 12 (2), L. pneumophila 1 (1), L. pneumophila 8 (1), L. pneumophila 15 (1), L. longbeachae 1 (1), L. longbeachae 2 (1), and L. micdadei (1).
  • Leprosy: three cases of leprosy, two under investigation and one probable were notified in October 2007, bringing the year to date total to eight. The cases were all from Counties Manukau DHB. Two cases are from countries known to have endemic leprosy, while the third case is still being investigated.
  • Meningococcal disease: based on the earliest date available1, nine cases of meningococcal disease were notified during October 2007, of which eight (88.9%) were laboratory-confirmed. In comparison, 11 cases were notified the previous month, September 2007, and 14 cases were notified during the same month last year, October 2006. For the 12 month period ending 31 October 2007, Tairawhiti DHB recorded the highest incidence rate of 9.0 per 100 000 population (4 cases), followed by Hawke’s Bay (6.6 per 100 000, 10 cases), and Northland (5.3 per 100 000, 8 cases). The highest age-specific incidence rate was in infants aged less than one year (40.3 per 100 000 population, 23 cases), followed by those in the 1-4 years age group (15.1 per 100 000 population, 34 cases), and those in the 15-19 years age group (5.4 per 100 000 population, 17 cases).
  • Mumps: nine cases of mumps were notified in October 2007 compared to six notified cases in the same month of the previous year. The cases were reported from Waitemata (2), Waikato (2), Canterbury (2), Whanganui (1), Wairarapa (1), and Otago (1) DHBs. The cases were in the following age groups: 20-29 years (4), 30-39 years (2), 1-4 years (1), 40-49 years (1), and 70+ years (1). One case aged 20-29 years was reported as immunised but the number of MMR doses received was not recorded. A further two cases were not immunised and the immunisation status of the remaining cases were unknown.
  • Salmonellosis: 122 cases of salmonellosis were notified in October 2007 compared to 108 notified cases in the same month of the previous year (Figure 2). The highest numbers of cases were reported from Waikato (15), Capital and Coast (13), Counties Manukau (12), Southland (12), and Canterbury (11) DHBs. Nine cases were hospitalised. The serotype involved was identified for 117 of the cases. The dominant serotypes were: Salmonella Typhimurium phage type 160 (17 cases), S. Brandenburg (12), S. Virchow (8), S. Montevideo (7), and S.  Typhimurium phage type 8 (7). Nine cases in total were linked to a S. Montevideo outbreak.
  • VTEC/STEC: 14 cases of VTEC/STEC were notified in October 2007 compared to six notified cases in the same month of the previous year. The cases were reported from Nelson Marlborough (3), Bay of Plenty (2), West Coast (2), Northland (1), Waikato (1), Taranaki (1), Hawke’s Bay (1), Capital and Coast (1), Canterbury (1), and Southland (1) DHBs. Five cases were hospitalised but none are known to have had haemolytic uraemic syndrome. Eight cases were aged <5 years, one case aged between 5-9 years, and the remaining five cases were aged between 30-69 years. Two family clusters were reported from Nelson Marlborough and West Coast involving two and three cases respectively.

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Report:

Monthly Surveillance Report - Oct 2007

Tables:

Monthly National Totals - Oct 2007

Monthly DHB Totals - Oct 2007

Monthly Rolling Totals - Oct 2007

 

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Monthly Surveillance Report - Oct 2007

Tables:

Monthly National Totals - Oct 2007

Monthly DHB Totals - Oct 2007

Monthly Rolling Totals - Oct 2007

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