
|
 |
Key notifiable disease trends

- Brucellosis: One case of brucellosis was notified in May 2008 from Waikato DHB. The
case had been to Tonga
during December 2007 and drank tap water.
- Campylobacter: The number of
campylobacter notifications has continued to drop from 397 in April 2008 to 379
in May 2008. For the 12 month period ending 31 May 2008 the national rate was
214.7 per 100 000 population compared to 369.1 for the same 12 month period
last year.
- Cryptosporidiosis: 32
cryptosporidiosis cases were notified in May 2008 compared to 86 cases notified
in the same month of the previous year. For the 12 month period ending 31 May
2008 the national rate was 16.5 per 100 000 population compared to 23.1 for the
same 12 month period last year.
- Giardiasis: 173 giardiasis cases
were notified in May 2008 compared to 133 cases notified in the same month of
the previous year. The highest number of the cases were reported from Capital
and Coast (37), and Canterbury
(28) DHBs. For the 12 month period ending 31 May 2008, Capital and Coast DHB
recorded the highest annual incidence rate of 70.7 per 100 000 population (37
cases) compared to the national rate of 34.7 per 100 000 population. Among the
cases for whom this information was recorded, 53.3% (8/15) hadrecreational
water contact,40.0% (4/10) had consumed non-habitual water supply, 40.0%
(6/15)had contact with other symptomatic people, 40.0% (12/30) had been
overseas, 38.5% (5/13) had consumed untreated water,28.6% (4/14) had consumed
food from a food premise, 26.7% (4/15) had contact with farm animals, 25.0%
(4/16) had attended school, pre-school or childcare, and 7.1% (1/14)had contact
with sick animals during the incubation period.
- Hydatid disease: One case of hydatid
disease was notified in May 2008. The case was from Otago DHB in the 50-59
years age group with a long history of employment on farms and freezing works.Leprosy:
One case of leprosy, still under investigation was notified in May 2008. The
case was from Canterbury DHB who had been to Papua New Guinea during the
incubation period. This is an old case with the onset date of October 2007.
- Measles: Three cases of measles were notified in May
2008 compared to one notified case in the same month of the previous year. The
cases were reported from Hawke’s Bay (2) and Capital and Coast (1) DHBs. One
case aged 15-19 years was laboratory confirmed and not immunised. Another case
aged 1-4 years is awaiting laboratory confirmation and has received one dose of
MMR. The remaining case aged 10-14 years was not laboratory confirmed or
immunised.
- Meningococcal
disease: Based on the
earliest date available, seven cases of meningococcal disease were notified
during May 2008, six (85.7%) were laboratory-confirmed. In comparison, seven
cases were notified the previous month, April 2008, and eight cases were
notified during the same month last year, May 2007. For the 12 month period
ending 31 May 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 Northland (3.9 per 100 000, 6 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 (5.2 per
100 000 population, 15 cases).
- Mumps: Six cases of mumps were notified in May 2008 compared to two notified cases in the same month of the previous year
(Figure 2). The cases were reported from Waitemata (2), Auckland
(1), Counties Manukau (1), Lakes (1), and Canterbury
(1) DHBs. Two cases were laboratory confirmed aged 1-4 years and 40-49 years,
one not immunised, one unknown. Of the remaining four non-laboratory confirmed
cases, three were recorded as immunised but the number of doses received was
unknown. One case had been to Rarotonga during
the incubation period.
- Rubella: Three cases of rubella were notified in May 2008
bringing the year to date total to five. The cases were reported from Bay of Plenty
(2) and Waitemata (1) DHBs, aged 1-4 years (2) and <1 year (1). One case was
not immnunised, the other two cases had unknown immunisation status. Laboratory
confirmation is unknown for two cases and awaited for the remaining case.
- Shigellosis: 23 cases of
shigellosis were notified in May 2008 compared to 16 notified cases in the same
month of the previous year. The cases were reported from Counties Manukau (9), Auckland (5), Capital and Coast (3), Waitemata (2), Canterbury (2), Nelson
Marlborough (1), and Otago (1) DHBs. One case was hospitalised. The serotype
involved was identified for 22 of the cases. The dominant serotypes were: Shigella
sonnei biotype g (8 cases), S. sonnei biotype a (5), S. flexneri 2 (2), S.
flexneri 2a (2), S. flexneri 6 (2), S. boydii 5 (1), S.
flexneri 3d (1), and S. flexneri 1 (1).
- Taeniasis: One case was
notified with taeniasis in May 2008. The case was from Auckland DHB and had
been to Afghanistan
during the incubation period.
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.
|
 |
|