Monthly Notifiable Disease Surveillance Report - Jun 2014

Wednesday 18th September 2019


Key notifiable disease trends

Brucellosis: One case of brucellosis was notified in June 2014. After further investigation the case has since been found to not meet case criteria.

Chikungunya fever: Six cases of chikungunya fever were notified in June 2014 (all probable). Five of the cases were females and one of the cases was male. The cases occurred in the 50–59 years (2 cases), 10–14 years, 20–29 years, 30–39 years, and 40–49 years (1 case each). The cases were from Auckland (3 cases), Waitemata (2 cases) and Counties Manukau DHBs (1 case). All of the cases were in Tonga during the incubation period.

Cryptosporidiosis: 22 cases of cryptosporidiosis were notified in June 2014 compared to 67 cases notified during the same month of the previous year. The cases ranged in age from six months to 63 years, with the highest numbers of cases in the 1–4 years (7 cases) and 30–39 years (5 cases) age groups. The highest number of cases was reported from Canterbury (5 cases) DHB. Among the cases where risk factor information was recorded, 66.7% (6/9) had contact with faecal matter, 57.1% (4/7) had consumed food from a food premises, 44.4% (4/9) had contact with farm animals, 40.0% (4/10) had attended school, preschool or childcare, and 37.5% (3/8/) had contact with recreational water.

Dengue fever: 12 cases of dengue fever were notified in June 2014 compared to three cases notified during the same month of the previous year. All of the cases had travelled overseas during the incubation period. The countries visited were Fiji and Indonesia (3 cases each), Tonga (2 cases), and Cambodia, Cook Islands, French Polynesia, New Caledonia, Vanuatu and Vietnam (1 case each). Some cases visited more than one country.

Diphtheria: One case of diphtheria was notified in June 2014, after further investigation the case has since been found to not meet case criteria.

Hepatitis not otherwise specified (NOS): Two confirmed cases of hepatitis NOS were notified in June 2014. The cases were females aged 40 years and over. One case was infected with hepatitis E and reported overseas travel during the incubation period for this disease. The other case was infected with hepatitis D and reported no exposure to risk factors commonly associated with this disease.

Measles: 105 cases of measles were notified in June 2014 (94 confirmed, 1 probable, and 10 under investigation), compared to zero cases notified during the same month of the previous year. The cases were reported from Waikato (98 cases), Hawke’s Bay (3 cases), Counties Manukau (2 cases) and Taranaki and Hutt Valley (1 case each) DHBs. Cases ranged in age from three months to 46 years, with the highest numbers of cases in the 15–19 years (39 cases) and 10–14 years (38 cases) age groups. Seven cases were hospitalised and no deaths were reported. Of the 89 cases with immunisation information, 12.4% (11/89) were recorded as being immunised. Seven cases had received only one dose of the MMR vaccine and four cases had received two doses. Of the cases for which risk factor information was recorded, 91.6% (76/83) reported contact with another measles case in the previous three weeks and 84.5% (82/97) attended school, pre-school or childcare. Two interim measles outbreaks were reported in June (case numbers yet to be determined).

Pertussis: 93 cases of pertussis were notified in June 2014 (21 confirmed, 56 probable, 6 suspect and 10 under investigation) compared to 195 cases in the same month of the previous year (Figure 1). Of the 69 cases with hospitalisation status recorded, one (1.4%) case was hospitalised. The highest numbers of cases were reported from Capital & Coast (17 cases), Waitemata (16 cases), and Counties Manukau and Waikato (10 cases each) DHBs. Ethnicity was recorded for 79 (84.9%) cases. The cases were distributed by ethnic groups as follows: European or Other (60 cases), Maori (16 cases), Pacific Peoples (2 cases) and Asian (1 case). The cases ranged in age from two months to 94 years, with the highest numbers of cases in the 30–39 years and the 40–49 years (13 cases) age groups. The vaccination status was recorded for 46 (49.5%) cases. Of these, 18 were reported as not vaccinated, eight received one dose of vaccine, one received two doses of vaccine, 14 received three or more doses, and five were reported as being vaccinated but no dose information was available.

Taeniasis: Two confirmed cases of taeniasis were notified in June 2014. Both cases were female and occurred in the 20–29 years and the 30–39 years age groups. The cases were from Auckland Counties Manukau DHBs. One of the cases was in Ethiopia during the incubation period and the other case had travelled previously to Laos.

Salmonellosis: 72 cases of salmonellosis were notified in June 2014 compared to 53 cases notified in the same month of the previous year (Figure 2). The highest numbers of cases were reported from Waitemata and Auckland (12 cases each) and Southern (11 cases) DHBs. The cases ranged in age from one month to 84 years, with the highest numbers of cases in the 30–39 years (12 cases), 50–59 years (11 cases) and 1–4 years (10 cases) age groups. Six cases were hospitalised. The serotype involved was recorded for 69 (95.8%) cases. The most common serotypes were: Salmonella Enteritidis phage type 11 and S. Stanley (5 cases each), and S. Infantis (4 cases).

Zika virus: 13 cases were notified in June 2014 (11 confirmed and 2 under investigation), after further investigation one of these cases has since been found to not meet case criteria. Seven cases were female and five male. The age range for cases was 30–75 years with the highest number of cases in the 40–49 years age group (4 cases). Cases were distributed by DHB as follows: Auckland (5 cases), Waitemata, Counties Manukau and Bay of Plenty (2 cases each), and Northland (1 case). All cases travelled during the incubation period and all, except one, travelled to the Cook Islands. The remaining case had travelled to New Caledonia.

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Report:

Monthly Notifiable Disease Report - Jun 2014

Tables:

Monthly National Totals - Jun 2014

Monthly DHB Totals - Jun 2014

Monthly Rolling Totals - Jun 2014

 

DOWNLOADS

Monthly Notifiable Disease Report - Jun 2014

Tables:

Monthly National Totals - Jun 2014

Monthly DHB Totals - Jun 2014

Monthly Rolling Totals - Jun 2014

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