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West Nile virus (WNv) Watch for Week ending August 21, 2008
No WNv activity has been detected in Nova Scotia in the period June 2 to August 21, 2008. No humans have ever acquired West Nile virus in Nova Scotia.
Nova Scotia
West Nile virus (WNv) has not been detected in human, birds or mammals in Nova Scotia in the current period June 2 to August 21, 2008.
Human:
No positive human case has been reported in Nova Scotia in the period from June 2 to August 21, 2008. No humans have ever acquired West Nile virus in Nova Scotia.
Birds:
During the period between week 24 and week 32 (June 8 to August 9, 2008), a total of 23 birds were tested for WNv. None were positive for WNv (Table 1).
Table 1: Number of birds tested for WNv testing per DHA per week
Week of Year |
Health Region |
Total Negative |
Total Positive |
Week 32 (August 3-9) |
District Health Authority 9 - Capital |
1 |
0 |
Week 31 (July 27-August 2) |
District Health Authority 9 - Capital |
1 |
0 |
Week 30 (July 20-26) |
District Health Authority 9 - Capital |
3 |
0 |
Week 29 (July 13-19) |
District Health Authority 4- Northern |
1 |
0 |
Week 29 (July 13-19) |
District Health Authority 7- Eastern |
1 |
0 |
Week 29 (July 13-19) |
District Health Authority 9 - Capital |
4 |
0 |
Week 28 (July 6-12) |
District Health Authority 9 - Capital |
2 |
0 |
Week 28 (July 6-12) |
District Health Authority 5- Northern |
1 |
0 |
Week 27 (June 29-July 5) |
District Health Authority 9 - Capital |
2 |
0 |
Week 27 (June 29-July 5) |
District Health Authority 4- Northern |
1 |
0 |
Week 26 (June 22-28) |
District Health Authority 9 - Capital |
3 |
0 |
Week 26 (June 22-28) |
District Health Authority 7- Eastern |
1 |
0 |
Week 26 (June 22-28) |
District Health Authority 5- Northern |
1 |
0 |
Week 24 (June 8-14) |
District Health Authority 9 - Capital |
1 |
0 |
Total: |
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23 |
0 |
Mammals:
No WNv cases have been detected in horses during this current period of June 2 to August 9, 2008.
Additional WNv information can also be accessed via the Nova Scotia Department of Health Promotion and Protection West Nile virus website: http://www.gov.ns.ca/hpp/ocmoh/wnile.htm
Canada
National West Nile virus surveillance data and maps can be found on the Public Health Agency of Canada (PHAC) website at: www.phac-aspc.gc.ca/wnv-vwn/index.html
United States
Information can be accessed through the CDC web site: www.cdc.gov/ncidod/dvbid/westnile/surv&control.htm
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