Monthly Surveillance Report - Jul 2007

Thursday 19th September 2019


Key Notifiable Disease Trends

  • Brucellosis: two confirmed cases of brucellosis were notified in July 2007. The cases were reported from Counties Manukau and Auckland. The case from Counties Manukau was a Tongan visitor to New Zealand who kept pigs back home. The Auckland case had been in Tonga during the incubation period and also butchers pigs locally, and dug a manhole on a main sewage line.

  • Legionellosis:  10 cases of legionellosis were notified in July 2007 compared to three notified cases at the same month in the previous year (Figure 1). The cases were from Counties Manukau (2), Nelson Marlborough (2), Waitemata (1), Auckland (1), Taranaki (1), Hutt (1), Capital and Coast (1), and Southland (1), DHBs.   Four cases were hospitalised.  The species was identified for four of the cases as Legionella longbeachae SG 2 (2), and L. pneumophila SG 1 or 12 (2). No samples were received for one of the cases. The remaining five cases are still undergoing laboratory testing to confirm their diagnosis.

  • Meningococcal disease: based on the earliest date available, 23 cases of meningococcal disease were notified during July 2007, of which 18 (78.3%) were laboratory-confirmed.  In comparison, eight cases were notified the previous month, June 2007, and 27 cases were notified during the same month last year, July 2006. For the 12 month period ending 31 July 2007, Tairawhiti DHB recorded the highest incidence rate of 9.0 per 100 000 population (4 cases), followed by Northland (6.7 per 100 000, 10 cases), and Hutt (5.8 per 100 000, 8 cases). The highest age-specific incidence rate was in infants aged less than one year (47.3 per 100 000 population, 27 cases), followed by those in the 1-4 years age group (15.5 per 100 000 population, 35 cases), and those in the 15-19 years age group (5.4 per 100 000 population, 17 cases).

  • Mumps: five cases of mumps were notified in July 2007 compared to one notified case in the same month of the previous year. The cases were reported from Counties Manukau (2), Canterbury (2), and Hutt (1) DHBs. The cases were in the following age groups: 15-19 years (3), 5-9 years (1), and 30-39 years (1). Two cases were reported as being immunised (the first case aged 5-9 years received two doses of MMR while the second case aged 15-19 years received one dose).

  • Shigellosis: 18 cases were notified in July 2007 compared to seven notified cases in the same month in the previous year (Figure 2). The cases were from Auckland (7), Canterbury (2), Counties Manukau (1), Waikato (1), Lakes (1), Bay of Plenty (1), Taranaki (1), MidCentral (1), Hutt (1), Capital and Coast (1), and Nelson Marlborough (1) DHBs. The species involved was identified for all cases:  Shigella sonnei biotype g (8), S. sonnei biotype a (5), S. boydii 13 (1), S. flexneri biotype 1 (1), S. flexneri biotype 2a (1), S. flexneri (1), and S. species (1).  Seven cases had been overseas: India (3), Vanuatu (2), Samoa (1), and Thailand (1) during the incubation period.

  • Rubella: three cases were notified in July 2007 compared to one notified case in the same month in the previous year. The cases were from Capital and Coast (2), and Hawke’s Bay (1) DHBs.  The cases were aged <1 year, 1-4 years, and 20-29 years.  Immunisation history was recorded for two of the three cases. The case aged 1-4 years was immunised and received one dose, while the case aged <1 year was not immunised.  The younger case was not yet eligible to be immunised with MMR.

  • VTEC/STEC: three cases were notified in July 2007 compared to one notified case in the same month in the previous year. The cases were from Northland (1), Lakes (1), and Southland (1) DHBs. Two cases were aged <1 year, and one case was aged 5-9 years. One case was hospitalised. One case had no risk factor information recorded. Of the remaining two cases, both had contact with farm animals; both had bore and roof water, and one had home killed meats. The species involved was identified as Escherichia coli O157:H7 for all three cases.

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Report:

Monthly Surveillance Report - Jul 2007

Tables:

Monthly National Totals - Jul 2007

Monthly DHB Totals - Jul 2007

Monthly Rolling Totals - Jul 2007

 

DOWNLOADS

Monthly Surveillance Report - Jul 2007

Tables:

Monthly National Totals - Jul 2007

Monthly DHB Totals - Jul 2007

Monthly Rolling Totals - Jul 2007

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