Monthly Notifiable Disease Surveillance Report - Jan 2014

Friday 20th September 2019


Key notifiable disease trends

Brucellosis: Two cases of brucellosis were notified in January 2014, one of the cases has since been found to not meet case criteria after further investigation. The other case is still under investigation. The case was a female in the 20-29 years age group from Waitemata DHB and was in Fiji during the incubation period

Dengue fever: 23 cases of dengue fever were notified in January 2014 compared to 13 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 (11 cases), Sri Lanka (2 cases), and Australia, Colombia, French Polynesia, India, Indonesia, Kiribati, Malaysia, Papua New Guinea, Philippines, Nepal, Samoa, Singapore, Thailand, and United States of America (1 case each). Some cases visited more than one country.

Hepatitis A: 10 cases of hepatitis A were notified in January 2014 compared to three cases notified during the same month of the previous year. Ethnicity was recorded for 60.0% (6/10) cases with cases in the following ethnic groups: Asian (3 cases), and European or Other, Middle Eastern/Latin American/African, and Pacific Peoples (1 case each). The highest number of cases was reported from Waitemata DHB (7 cases). The cases ranged in age from three to 35 years, with the highest numbers of cases in the 5-9 years (4 cases) and 20-29 years (3 cases) age groups. Four of the cases had travelled overseas during the incubation period. Countries visited included Afghanistan, Hong Kong, India, Philippines, and Zimbabwe. One of the cases visited more than one country.

Leprosy: One confirmed case of leprosy was notified in January 2014. The case was a male in the 20-29 years age group from Canterbury DHB. The case was in Samoa during the incubation period.

Measles: 26 cases of measles were notified in January 2014, three of these cases have since been found to not meet case criteria after further investigation. This compares with zero cases notified during the same month of the previous year (Figure 1). The highest numbers of cases were reported from the Auckland region (10 cases) and Lakes DHB (9 cases). Cases ranged in age from seven months to 31 years, with the highest number of cases in the 20-29 years (11 cases) age group. Of the 21 cases with hospitalisation status recorded, 19.0% (4/21) were hospitalised. No deaths were reported. Of the 16 cases with immunisation information, 18.8% (3/16) were immunised. Two cases in the 1-4 years age group had received one dose each. One further case in the 20-29 years age group was immunised but dose information was unknown. Of the cases for which risk factor information was recorded, 95.0% (19/20) reported contact with another measles case in the previous three weeks and 38.9% (7/18) reported overseas travel during the incubation period.

Q fever: Two cases of Q fever were notified in January 2014. These cases have since been found to not meet case criteria after further investigation.

Tuberculosis disease: 35 cases of tuberculosis disease (all new cases) were notified in January 2014 compared to 30 cases notified during the same month of the previous year (Figure 2). Twenty-four cases were laboratory confirmed. The highest number of cases was reported in the Auckland region (17 cases). The cases ranged in age from 20 years to 73 years, with the highest numbers of cases in the 20-29 years (10 cases) and 30-39 years (9 cases) age groups. 72.4% (21/29) of cases were born outside of New Zealand. The Mycobacterium species was recorded in 79.2% (19/24) of the laboratory confirmed cases, all were infected with M. tuberculosis.

Yersiniosis: 56 cases of yersiniosis were notified in January 2014, two of these cases have since been found to not meet case criteria after further investigation. This compares to 42 cases notified during the same month of the previous year. The highest numbers of cases were reported from the Auckland region (24 cases), Canterbury (10 cases), and Lakes (8 cases) DHBs. The cases ranged in age from one month and 86 years, with the highest numbers of cases in the 1-4 years (13 cases) and 70+ years (9 cases) age groups. Three cases were hospitalised. The biotype involved was identified in 50 (92.6%) of the cases: Yersinia enterocolitica biotype 2 (24 cases), Y. enterocolitica biotype 4 (15 cases), Y. enterocolitica biotype 1A (8 cases), and Y. enterocolitica biotype 3 (3 cases). Among the cases where risk factor information was recorded, 60.0% (9/15) had consumed food from a food premises, 35.7% (5/14) had consumed untreated water, and 28.6% (4/14) had contact with faecal matter.

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Report:

Monthly Notifiable Disease Surveillance Report - Jan 2014

Tables:

Monthly National Totals - Jan 2014

Monthly DHB Totals - Jan 2014

Monthly Rolling Totals - Jan 2014

 

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Monthly Notifiable Disease Surveillance Report - Jan 2014

Tables:

Monthly National Totals - Jan 2014

Monthly DHB Totals - Jan 2014

Monthly Rolling Totals - Jan 2014

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