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Volume 18, Number 11—November 2012

Dispatch

Effect of Latitude on Seasonality of Tuberculosis, Australia, 2002–2011

Jennifer H. MacLachlanComments to Author , Caroline J. Lavender, and Benjamin C. Cowie
Author affiliations: Victorian Infectious Diseases Reference Laboratory, North Melbourne, Victoria, Australia (J.H. MacLachlan, C.J. Lavender, B.C. Cowie); Victorian Infectious Diseases Service, Parkville, Victoria, Australia (B.C. Cowie); and University of Melbourne, Parkville (B.C. Cowie)

Main Article

Table

Number and rate* of tuberculosis notifications, Australia, 2002–2011

Month South
Central
North
Total
Mean cases (range) Rate Mean cases (range) Rate Mean cases (range) Rate Mean cases (range) Rate
Jan 30.2 (25–37) 5.3 48.4 (35–62) 4.5 13.7 (8–20) 3.2 92.3 (73–103) 4.5
Feb 27.6 (21–37) 4.8 47.5 (38–58) 4.5 11 (5–14) 2.6 86.1 (74–105) 4.2
Mar 27.8 (17–40) 4.7 47.6 (36–56) 4.5 15.6 (8–24) 3.6 91.0 (66–109) 4.4
Apr 29.4 (18–41) 4.9 43.8 (21–65) 4.2 13.9 (6–20) 3.2 87.1 (54–114) 4.2
May 25.3 (10–35) 4.4 48.4 (40–58) 4.6 14.9 (10–29) 3.5 88.6 (74–104) 4.3
Jun 24 (16–39) 4.0 44.2 (35–56) 4.2 13.3 (8–26) 3.1 81.5 (62–98) 3.9
Jul 32.9 (26–49) 5.6 46.4 (36–65) 4.4 13.4 (7–24) 3.1 92.7 (73–110) 4.5
Aug 31.9 (18–42) 5.6 47.6 (34–57) 4.5 15.8 (10–26) 3.7 95.3 (72–121) 4.6
Sep 37.2 (27–44) 6.4 54.3 (45–70) 5.2 16 (8–26) 3.7 107.5 (85–135) 5.2
Oct 39.7 24–61) 6.7 57.9 (42–89) 5.6 17.3 (13–30) 4.0 114.9 (81–166) 5.5
Nov 38.1 (27–50) 6.5 53.9 (44–78) 5.2 18.5 (13–22) 4.3 110.5 (94–122) 5.3
Dec 41.6 (25–58) 7.0 52.9 (33–67) 5.1 15.6 (9–31) 3.6 110.1 (81–139) 5.3

*Per 100,000 population.

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