Monthly Surveillance Report - Sep 2007
Tuesday 21st March 2023
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Key Notifiable Disease Trends
- Dengue fever: three dengue cases were notified in September 2007, bringing the year to date total to 102. The cases were from Waitemata (2) and Auckland (1) DHBs. Overseas travel was recorded for all cases. The countries visited during the incubation period were Cambodia (1), Samoa (1), and South America (1).
- Hydatid disease: one case of hydatid disease was notified in September 2007, bringing the year to date total to three. The case was from Auckland DHB aged in the 60-69 years age group. The case acquired the disease more than 20 years ago, with the disease picked up as an incidental finding when the case was hospitalised for another condition.
- Leprosy: one case of leprosy, still under investigation was notified in September 2007, bringing the year to date total to five. The case was from Counties Manukau DHB and had been to Samoa during the incubation period.
- Listeriosis: two cases of listeriosis of which one was perinatal were notified in September 2007, bringing the year to date total to 17. The cases were aged 40-49 years and 60-69 years from Capital and Coast and Hutt DHBs respectively. The perinatal case occurred at 37 weeks of gestation, the infant survived. The suspect source was identified as a cold beef satay salad from a food premise although there was no specific evidence to implicate this. The non-perinatal case had an underlying illness.
- Meningococcal disease: based on the earliest date available , 11 cases of meningococcal disease were notified during September 2007, of which eight (72.7%) were laboratory-confirmed. In comparison, 11 cases were notified the previous month, August 2007, and 12 cases were notified during the same month last year, September 2006. For the 12 month period ending 30 September 2007, Tairawhiti DHB recorded the highest incidence rate of 6.7 per 100 000 population (3 cases), followed by Hawke’s Bay (6.6 per 100 000, 10 cases), and Counties Manukau (5.2 per 100 000, 23 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 (16.0 per 100 000 population, 36 cases), and those in the 15-19 years age group (5.4 per 100 000 population, 17 cases).
- Mumps: 15 cases of mumps were notified in September 2007 compared to three notified cases in the same month of the previous year. The cases were reported from Counties Manukau (3), Waikato (3), Bay of Plenty (2), Canterbury (2), Southland (2), Northland (1), Auckland (1), and Wairarapa (1) DHBs. The cases were in the following age groups: 5-9 years (6), 1-4 years (4), 10-14 years (2), 20-29 years (2), and 50-59 years (1). Six cases were reported as immunised of which four received two doses of MMR while the remaining two cases received one dose.
- Shigellosis: 13 cases were notified in September 2007 compared to six notified cases in the same month in the previous year. The cases were from Counties Manukau (2), Waikato (2), Nelson Marlborough (2), Canterbury (2), Waitemata (1), Auckland (1), Lakes (1), Capital and Coast (1), and Otago (1) DHBs. The sample was received for 11/13 cases. The species involved were: Shigella sonnei biotype g (5), S. flexneri 2a (2), S. flexneri 6 (2), and S. sonnei biotype a (2). Two cases had been overseas, one to Australia and one to India during the incubation period.
- VTEC/STEC: 13 cases of VTEC/STEC were notified in September 2007 compared to five notified cases in the same month of the previous year. The cases were reported from Waitemata (5), Waikato (5), Canterbury (2), and Lakes (1) DHBs. Nine cases were aged between 1-4 years, of which two had haemolytic-uraemic syndrome (HUS). Three family clusters were reported (two from Waikato, and one from Waitemata) involving six cases.
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Ph: +64 4 914 0700 Fax: +64 4 914 0770 Email: survqueries@esr.cri.nz |
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