Monthly Surveillance Report - Feb 2008
Tuesday 21st March 2023
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Key notifiable disease trends
- Brucellosis: One case of brucellosis still under investigation was notified in February 2008 from Auckland DHB. The case is thought to have travelled in Europe in October 2007.
- Hydatid disease: one case of hydatid disease was notified in February 2008. The case was from Hawke’s Bay DHB.The case is thought to have acquired the disease approximately 40 years ago while helping out in a farm.
- Legionellosis: six cases of legionellosis were notified in February 2008 compared to two notified cases in the same month of the previous year. The cases were from Waitemata, Auckland, Lakes, Bay of Plenty, Canterbury and Otago DHBs (1 case each).Four cases were hospitalised.The cases were in the following age groups: 50-59 years (2), 70+ years (2), 40-49 years (1), and 60-69 years (1). The species involved was identified for five of the cases: Legionella longbeachae serogroup 1 (2), L. longbeachae (1), L. longbeachae serogroup 2 (1), and L. pneumophila serogroup 1 (1).
- Listeriosis: four cases of listeriosis were notified in February 2008, bringing the year to date total to seven. The cases were from Canterbury (2), Waikato (1), and Capital and Coast (1) DHBs. The cases were aged 70+ years (3) and 40-49 years (1).All four cases were hospitalised and had underlying illnesses.
- Meningococcal disease: based on the earliest date available, four cases of meningococcal disease were notified during February 2008, all were laboratory-confirmed. In comparison, 11 cases were notified the previous month, January 2008, and five cases were notified during the same month last year, February 2007. For the 12 month period ending 29 February 2008, Hawke’s Bay DHB recorded the highest incidence rate of 9.2 per 100 000 population (14 cases), followed by Tairawhiti (6.5 per 100 000, 3 cases), and Taranaki (4.7 per 100 000, 5 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 (14.3 per 100 000 population, 33 cases), and those in the 5-9 years age group (4.1 per 100 000 population, 12 cases).
- Rheumatic fever: 74 cases of rheumatic fever (69 initial attack, 5 recurrent attack) were notified in February 2008. The cases were reported from Bay of Plenty (55), Lakes (10), Northland (3), Capital and Coast (3), MidCentral (2), and Waikato (1) DHBs. An important note is that 58 of the cases were late notifications from previous years.
- Salmonellosis: 163 cases of salmonellosis were notified in February 2008 compared to 100 notified cases in the same month of the previous year (Figure 2). The highest numbers of cases were reported from Canterbury (22 cases), Waitemata (17), and Capital and Coast (15) DHBs. Ten cases were hospitalised. The serotype involved was identified for 157 of the cases. The dominant serotypes were: Salmonella Infantis (16 cases), S. Typhimurium phage type 156 (13), S. Mbandaka (11), and S. Typhimurium phage type 160 (10).
- VTEC/STEC: 23 cases of VTEC/STEC were notified in February 2008 compared to 12 notified cases in the same month of the previous year. The cases were reported from Waitemata, Canterbury (5 cases each), Counties Manukau, Waikato, Capital and Coast (3 cases each), Northland, Auckland, Bay of Plenty and Hutt (1 case each) DHBs. Five cases were hospitalised. Age was recorded for 22/23 cases. Seven cases were aged less than five years, three cases were in the 5-9 years age group, and the remaining 12 cases were in the 10-69 years age group. The serotype involved was identified for all cases, as VTEC O157.Two cases in the 5-9 years age group had haemolytic uraemic syndrome (HUS).
Note: Click on the document links below to open. These documents are in PDF format. You will need to download the free Adobe Acrobat Reader to view them.
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Ph: +64 4 914 0700 Fax: +64 4 914 0770 Email: survqueries@esr.cri.nz |
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