Monthly Surveillance Report - Mar 2007

Thursday 19th September 2019


Key Notifiable Disease Trends

  • Barmah Forest virus: one probable case of Barmah Forest virus was notified in March 2007. The case was reported from Tairawhiti DHB and had been to Indonesia during the incubation period. The case was also notified with probable Ross River virus.
  • Cryptosporidiosis: 89 cases of cryptosporidiosis were notified in March 2007 compared to 28 notified cases in the same month of the previous year (Figure 1). Two cases were hospitalised. The highest numbers of cases were reported from the Hutt (20), Waikato (18), and Capital and Coast (13) DHBs. Among the cases for whom this information was recorded, 65.6% (21/32) had recreational water contact, 50.0% (12/24) had eaten at a food premise, 47.1% (16/34) had contact with other symptomatic people, 39.3% (11/28) had faecal contact, 16.7% (4/24) had consumed untreated water, 7.1% (2/28) had contact with sick animals, and 4.5% (1/22) had contact with a confirmed case during the incubation period.
  • Dengue: 11 cases of dengue fever were notified in March 2007 compared to two notified cases in the same month in the previous year (Figure 2). The cases were from Auckland (3), Counties Manukau (3), Waitemata (2), Nelson Marlborough (2), and Wairarapa (1) DHBs. One case was hospitalised. Overseas travel was recorded for all cases. All cases had been to the Cook Islands during the incubation period.
  • Lead absorption: 13 cases of lead absorption were notified in March 2007 compared to five notified cases in the same month of the previous year. The cases were reported from Auckland (3), Capital and Coast (2), Otago (2), and one each from Tairawhiti, Hawke’s Bay, MidCentral, Hutt, Wairarapa, and Canterbury DHBs. Five cases were recorded as currently working in high risk occupations (four painters and one panel beater/spray painter). Four cases were recorded as living in a pre-1970 constructed building and having alterations.  The remaining four cases had unknown exposures.
  • Listeriosis: two cases of listeriosis were notified in March 2007 compared to one notified case in the same month of the previous year. Both cases were over 70 years old, from Counties Manukau and Otago DHBs. One case had underlying illness, while for the other case this information was unknown.
  • Meningococcal disease: based on the earliest date available, three cases of meningococcal disease were notified during March 2007, of which all were laboratory-confirmed.  In comparison, five cases were notified the previous month, February 2007, and 14 cases were notified during the same month last year, March 2006. For the 12 month period ending 31 March 2007, Tairawhiti DHB recorded the highest incidence rate of 9.1 per 100 000 population (4 cases), followed by Northland (7.8 per 100 000, 11 cases), and Waikato (7.2 per 100 000, 23 cases). The highest age-specific incidence rate was in infants aged less than one year (56.7 per 100 000 population, 31 cases), followed by those in the 1-4 years age group (12.5 per 100 000 population, 27 cases), and those in the 15-19 years age group (10.2 per 100 000 population, 27 cases).
  • Salmonellosis: 152 cases of salmonellosis were notified in March 2007 compared to 145 notified cases in the same month of the previous year. The highest numbers of cases were reported from Capital and Coast (29), Waikato (20), and Canterbury (18) DHBs. Nine cases were hospitalised. The serotype involved was identified for 143 of the cases. The dominant serotypes were: Salmonella Typhimurium phage type 156 (23 cases), S. Typhimurium phage type 106 (14), S. Typhimurium phage type 160 (12), S. Enteritidis phage type 9a (10), and S. Infantis (10). Sixteen cases from the Wellington region (11 from Capital and Coast, five from Hutt) were part of an outbreak in a church food fundraiser. The serotype was identified as S. Typhimurium 156.

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Report:

Monthly Surveillance Report - Mar 2007

Tables:

Monthly National Totals - Mar 2007

Monthly DHB Totals - Mar 2007

Monthly Rolling Totals - Mar 2007

 

DOWNLOADS

Monthly Surveillance Report - Mar 2007

Tables:

Monthly National Totals - Mar 2007

Monthly DHB Totals - Mar 2007

Monthly Rolling Totals - Mar 2007

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