Monthly Surveillance Report - Aug 2008

Friday 20th September 2019


Key notifiable disease trends

  • Brucellosis: Two cases of brucellosis, one probable and one under investigation were notified in August 2008, from Counties Manukau (1) and Waitemata (1) DHBs. The probable case has since returned to Tonga. No risk factor information is currently recorded for the remaining case.
  • Campylobacteriosis: The number of campylobacter notifications has increased from 387 in July 2008 to 565 in August 2008 (Figure 1). For the 12 month period ending 31 August 2008 the national rate was 183.1 per 100 000 population, which was lower than the same 12 month period last year (341.2 per 100 000 population).
  • Cholera: One probable cholera case was notified in August 2008. The case was in the 60-69 years age group who ate seafood at a tangi.
  • Cryptosporidiosis: The number of cryptosporidiosis notifications has increased from 16 in July 2008 to 51 in August 2008.For the 12 month period ending 31 August 2008 the national rate was 15.1 per 100 000 population compared to 23.7 for the same 12 month period last year.
  • Hepatitis A: 10 cases of Hepatitis A were notified in August 2008 compared to five notified cases in the same month of the previous year (Figure 2). The cases were reported from Whanganui (4), Auckland (2), Waitemata (1), MidCentral (1), Hutt (1) and Capital and Coast (1) DHBs. Three of the Whanganui cases were part of an outbreak linked to a home/school outbreak. Four of the 10 cases had been overseas during the incubation period. The countries visited were India (3) and Austria (1).
  • Hydatid disease: One probable case of hydatid disease was notified in August 2008. The case was in the 60-69 years age group and had been overseas during the incubation period. The case’s childhood years were also spent on a farm with subsequent exposure to stock and dogs.
  • Leptospirosis: Six cases of leptospirosis were notified in August 2008 compared to two notified case at the same month in the previous year. The cases were from Whanganui (2), Northland (1), Nelson Marlborough (1), Canterbury (1), and Otago (1) DHBs. Two cases were hospitalised. The serovar was recorded for three of the cases: Leptospira Australis(1), L. Pomona (1), and L. Tarassovi (1). Five of the cases had risk factor information: farmer (2), butcher (1), meat inspector (1), and geologist (1) who was working in the Solomon Islands (walking up stream in a wild area) during the incubation period.
  • Meningococcal disease: Based on the earliest date available1, 19 cases of meningococcal disease were notified during August 2008, 15 (78.9%) of which were laboratory-confirmed. In comparison, 16 cases were notified the previous month, July 2008, and 10 cases were notified during the same month last year, August 2007. For the 12 month period ending 31 August 2008, the national rate was 2.8 per 100 000 and Hawke’s Bay DHB recorded the highest incidence rate of 5.9 per 100 000 population (9 cases) followed by Southland DHB (5.4 per 100 000, 6 cases) and Northland (5.2 per 100 000, 8 cases). The highest age-specific incidence rate was in infants aged less than one year (27.5 per 100 000 population, 17 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 (5.5 per 100 000 population, 16 cases).
  • Rickettsial disease: Three cases of rickettsial disease, two confirmed and one probable were notified in August 2008.The cases were from Waikato (2) and Auckland (1) DHBs. One case had been to Northern America during the incubation period. The possible sources of infection for the remaining two cases were living on a lifestyle block and contact with mice.

 


1The ‘earliest’ date refers to the earliest recorded date for the case (onset or hospitalisation date rather than report date, if available). ‘Earliest’ date, as opposed to ‘report date’ alone, is used throughout the analysis of meningococcal disease notification data.

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Report:

Monthly Surveillance Report - Aug 2008

Tables:

Monthly National Totals - Aug 2008

Monthly DHB Totals - Aug 2008

Monthly Rolling Totals - Aug 2008

 

DOWNLOADS

Monthly Surveillance Report - Aug 2008

Tables:

Monthly National Totals - Aug 2008

Monthly DHB Totals - Aug 2008

Monthly Rolling Totals - Aug 2008

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