Monthly Surveillance Report - Apr 2005

Thursday 19th September 2019


Key Notifiable Disease Trends

  • Brucellosis: a case of brucellosis, with a positive serology and still under investigation, was notified during April. The case was an adult male who had occupational exposure to animals. 
  • Cryptosporidiosis: a total of 52 cases of cryptosporidiosis was notified during April 2005 compared to 10 cases notified at the same time last year. Waikato DHB reported the highest number of cases (9). For the previous 12 months, Lakes DHB had the highest current incidence rates of 52.1 per 100 000 population (50 cases).
  • Haemophilus influenzae type b disease (Hib): There were three cases of Haemophilus influenzae type b disease notified in April. Only one of the three cases was confirmed. The confirmed case was a male of Pacific Peoples ethnicity from Counties Manukau aged between 30-39 years. This brings the year-to-date total to four. According to information recorded on EpiSurv the case had not been vaccinated.
  • Meningococcal disease: based on earliest date available, 21 cases of meningococcal disease were notified during April 2005, of which 15 (71.4.0%) were laboratory-confirmed. In comparison, 17 cases were notified the previous month, and 22 cases were notified during April 2004. For the previous 12 months, Tairawhiti DHB recorded the highest current rate of 25.0 per 100 000 population (11 cases). Waitemata DHB recorded the highest number of cases (48) with a current rate of 11.2 per 100 000 population.
  • Pertussis: 136 cases of pertussis were notified in April 2005, of whom 25 (18.4%) were laboratory confirmed. Pertussis numbers continue to decrease from the peak in November 2004 with (613 cases). Canterbury DHB had the highest number of cases (42). For the previous 12 months, Southland DHB had the highest incidence rate of 734.5 per 100 000 population (759 cases), compared to a national rate of 113.2 per 100 000 population.
  • Salmonellosis: there were 150 salmonellosis cases notified in April 2005, compared with 85 cases at the same time last year. Salmonellosis numbers continued to increase from December 2004 with 79 cases. Waitemata DHB had the highest number of cases (27). For the previous 12 months, Southland DHB had the highest incidence rate of 68.7 per 100 000 population (71 cases), compared to a national rate of 31.1 per 100 000 population.
  • VTEC: Twenty-three cases of VTEC infection were notified in April bringing the total number of notified cases to 46 for the year to date. In comparison, three cases were notified during April 2004. Hospitalisation status was recorded for 16 cases of whom three were hospitalised. The ESR Enteric Reference Laboratory received isolates from 22 of the 23 cases. All 22 cases were serotype O157.

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Report:

Monthly Surveillance Report - Apr 2005

Tables:

Monthly National Totals - Apr 2005

Monthly DHB Totals - Apr 2005

Monthly Rolling Totals - Apr 2005

 

DOWNLOADS

Monthly Surveillance Report - Apr 2005

Tables:

Monthly National Totals - Apr 2005

Monthly DHB Totals - Apr 2005

Monthly Rolling Totals - Apr 2005

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