Monthly Surveillance Report - Apr 2008

Wednesday 18th September 2019


Key notifiable disease trends

  • Brucellosis: One case of brucellosis was notified in April 2008 from Waitemata DHB. This case is not confirmed and currently under investigation.
  • Campylobacter: 398 campylobacter cases were notified in April 2008 compared to 675 cases notified in the same month of the previous year (Figure 1). The majority of the cases were reported from the Auckland region (106 cases, 26.6%) followed by Canterbury DHB (68 cases, 17.1%). For the 12 month period ending 30 April 2008, Taranaki DHB recorded the highest annual incidence rate of 289.9 per 100 000 population (10 cases) compared to the national rate of 227.5 per 100 000 population. Sixteen cases were hospitalised. Among the cases for whom this information was recorded, 45.9% (34/74) had contact with farm animals, 40.6% (28/69) had consumed food from a food premise, 31.5% (17/54) had consumed untreated water, 25.7% (18/70) had contact with other symptomatic people, 21.1% (12/57) had consumed non-habitual water supply, 18.9% (14/74) had attended school, pre-school or childcare, 14.9% (10/67) had faecal contact,7.5% (5/67) hadrecreational water contact, 7.0% (4/57) had contact with sick animals, and 7.0% (6/86) had been overseas during the incubation period
  • Cryptosporidiosis: 39 cryptosporidiosis cases were notified in April 2008 compared to 82 cases notified in the same month of the previous year. The highest number of the cases was reported from the Canterbury DHB (10). For the 12 month period ending 30 April 2008, South Canterbury DHB recorded the highest annual incidence rate of 77.8 per 100 000 population (2 cases) compared to the national rate of 17.8 per 100 000 population. One case was hospitalised. Among the cases for whom this information was recorded, 63.6% (7/11) had contact with farm animals, 50.0% (5/10) hadrecreational water contact, 36.4% (4/11) hadfaecal contact,33.3% (4/12)had attended school, pre-school or childcare, 30.0% (3/10) had contact with other symptomatic people, 28.6% (2/7) had consumed food from a food premise, 22.2% (2/9) had consumed non-habitual water supply, 14.3% (1/7) had consumed untreated water, and 8.3%(1/12) had been overseas during the incubation period.
  • Leprosy: two confirmed cases of leprosy were notified in April 2008. The cases were from Counties Manukau DHB. One case had been to Samoa and the other to Kiribati during the incubation period.
  • Malaria: three cases of malaria were notified in April 2008 bringing the year to date total to 11. Two cases were in the 20-29 years age group and one was in the 40-49 years age group. All three cases had been overseas during the incubation period. The countries visited were India (2 cases) and Papua New Guinea (1).Two cases were infected with Plasmodium vivax and the other case was infected with P. falciparum.
  • Meningococcal disease: Based on the earliest date available, seven cases of meningococcal disease were notified during April 2008, six (85.7%) were laboratory-confirmed. In comparison, seven cases were notified the previous month, March 2008, and two cases were notified during the same month last year, April 2007. For the 12 month period ending 30 April 2008, Hawke’s Bay DHB recorded the highest incidence rate of 8.5 per 100 000 population (13 cases), followed by Tairawhiti (4.4 per 100 000, 2 cases), and Hutt (4.2 per 100 000, 6 cases). The highest age-specific incidence rate was in infants aged less than one year (29.1 per 100 000 population, 18 cases), followed by those in the 1-4 years age group (13.9 per 100 000 population, 32 cases), and those in the 5-9 years age group (5.2 per 100 000 population, 15 cases).
  • Mumps: 10 cases of mumps were notified in April 2008 compared to two notified cases in the same month of the previous year (Figure 2). The cases were reported from Canterbury (3), Northland (1), Waitemata (1), Auckland (1), Counties Manukau (1), Waikato (1), Capital and Coast (1), and South Canterbury (1) DHBs. The cases were in the following age groups: 1-4 years (4), 40-49 years (3), 5-9 years (1), 10-14 years (1), and 15-19 years (1). Three cases were reported as immunised of which one received two doses of MMR, one received one dose, and the number of doses received was unknown for the remaining case.
  • Salmonellosis: 115 cases of salmonellosis were notified in April 2008 compared to 114 notified cases in the same month of the previous year. The highest numbers of cases were reported from Canterbury (26), Otago (13), and Capital and Coast (10) DHBs. Nine cases were hospitalised. The serotype involved was identified for 103 of the cases. The dominant serotypes were: Salmonella Typhimurium phage type 1 (11 cases), S. Infantis (9), S. Enteritidis phage type 9a (8), S. Typhimurium phage type 101 (8), S. Typhimurium phage type 12a (8), and S. Typhimurium phage type 156 (8).
  • Yersiniosis: 53 yersiniosis cases were notified in April 2008 compared to 30 cases notified in the same month of the previous year.Three cases were hospitalised. Capital and Coast and Canterbury had the highest number of cases (8 cases each) followed by Waitemata (6), and Hawke’s Bay (5) DHBs. The highest number of cases were in the 1-4 years (11), followed by the <1 year (10), 30-39 years (7) and 40-49 years (6) age groups.Among the cases for whom this information was recorded, 40.0% (6/15) had consumed untreated water, 23.5% (4/17) had contact with farm animals, 23.1% (3/13) had consumed food from a food premise, 16.7% (3/18) had attended school, pre-school or childcare, 13.3% (2/15) had faecal contact,13.3% (2/15) hadrecreational water contact,and 6.3% (1/16) hadcontact with other symptomatic people during the incubation period.

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Report:

Monthly Surveillance Report - Apr 2008

Tables:

Monthly National Totals - Apr 2008

Monthly DHB Totals - Apr 2008

Monthly Rolling Totals - Apr 2008

 

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Monthly Surveillance Report - Apr 2008

Tables:

Monthly National Totals - Apr 2008

Monthly DHB Totals - Apr 2008

Monthly Rolling Totals - Apr 2008

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