PDF file - Department of Health and Ageing

National Notifiable Diseases Surveillance System, 2004
Annual report
BFV notifi cation rate in May 2004 (24.4 cases per
100,000 population), whereas New South Wales
reported a peak BFV notifi cation rate in April 2004
(9.8 cases per 100,000 population). The peak BFV
notifi cation rates in 2004 for Queensland and New
South Wales represent a 60–66 per cent reduction
from the previous peak notifi cation rates in 2003.
The highest rate of BFV infection in 2004, was in
the mid-North Coast area of New South Wales
(67.5 cases per 100,000 population, Map 7).
Figure 50 shows the age and sex distribution of
BFV notifi cations. The national rate of notifi cations
for BFV was highest amongst the 50–54 year age
group (10.4 cases per 100,000 population), and
the male to female ratio was 1:1. Males in the
50–54 year age group had the highest age-specifi
c rates (12.4 cases per 100,000 population).
The highest age-specifi c BFV notifi cation rate in
females was recorded in the 45–49 year age group
(9 cases per 100,000 population).
Figure 49. Notification rates for Barmah Forest
virus infection, select jurisdictions, January
1999 to December 2004, by month and year of
onset
Figure 50. Notification rates for Barmah Forest
virus infections, Australia, 2004, by age group
and sex
90
15
Rate per 100,000 population
80
70
60
50
40
30
20
10
New South Wales
Northern Territory
Queensland
Rate per 100,000 population
13
11
9
7
5
3
Male
Female
0
1
Jan
1999
Jul
Jan
2000
Jul
Jan
2001
Jul
Jan
2002
Jul
Jan
2003
Jul
Jan
2004
Jul
0-4
5-9
10-14
15-19
20-24
25-29
30-34
35-39
40-44
45-49
50-54
55-59
60-64
65-69
70-74
75-79
80-84
85+
Month and year of onset
Age group (years)
Map 7. Notification rates for Barmah Forest virus infection, Australia, 2004, by Statistical Division of
residence
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