NSW Arbovirus Surveillance & Vector Monitoring Program
Bourke 2003-2004
Mosquito/Chicken Results

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News & Comments

Note that for mosquito numbers 0 - 50 mosquitoes = "Low", 51 - 100 = "Medium",
101 - 1,000 = "High", 1,001 - 10,000 = "Very High", >10,000 = "Extreme".

1/Jun/2004: There were no new seroconversions to either MVEV or KUNV from the 27/Apr bleed.

5/May/2004: There were no new seroconversions to either MVEV or KUNV from the 15/Apr bleed.

21/Apr/2004: Mosquito numbers are declining but still 'high' (107), with 96 Culex quinquefasciatus.

15/Apr/2004: Numbers continue to be 'high' (992), with 467 Culex annulirostris.

13/Apr/2004: There were no new seroconversions to either MVEV or KUNV from the 24/Mar, 29/Mar or 5/Apr bleeds.

6/Apr/2004: Numbers jumped up this week and were 'high' (772), dominated by 568 Culex annulirostris.

1/Apr/2004: Mosquito numbers are down but still 'high' (111), with 93 Culex annulirostris.

25/Mar/2004: Mosquito numbers continue to be 'high' (418), with 259 Culex annulirostris.

25/Mar/2004: There were no new seroconversions to either MVEV or KUNV from the 17/Mar bleed.

18/Mar/2004: There were no new seroconversions to either MVEV or KUNV from the 23/Feb, 1/Mar or 9/Mar bleeds.

17/Mar/2004: Mosquito numbers continue to be 'high' (343), with 291 Culex annulirostris.

17/Mar/2004: There were no new seroconversions to either MVEV or KUNV from the 16/Feb bleed.

11/Mar/2004: There was another isolate of Kokobera virus. This was ex Culex annulirostris trapped 4/Mar/2004 from the Sewage Treatment Site.

11/Mar/2004: Mosquito numbers continue to be 'high' (457), with 386 Culex annulirostris.

9/Mar/2004: There was another isolate of Kokobera virus. This was ex Culex annulirostris trapped 10/Feb/2004 from the Sewage Treatment Site.

4/Mar/2004: Mosquit numbers frome the STP, were again 'high' (506) and continues to be dominated by Culex annulirostris (312).

3/Mar/2004: A mosquito collection from the additional site of Darling River yielded 'medium' (89) numbers, with 33 Culex annulirostris.

1/Mar/2004: There were two isolates of Kokobera virus, ex Culex annulirostris trapped 10/Feb/2004 from the Sewage Treatment Site.

24/Feb/2004: 'Low' numbers were trapped overnight.

19/Feb/2004: There were no new seroconversions to either MVEV or KUNV from the 2/Feb or 9/Feb bleeds.

19/Feb/2004: Numbers have declined upon the previous week but were still 'high' (235), including 92 Culex annulirostris.

11/Feb/2004: There was a massive increase in mosquito numbers this week, with 'very high' numbers of 1529 mosquitoes, including 1390 Culex annulirostris.

6/Feb/2004: There were no new seroconversions to either MVEV or KUNV from the 28/Jan bleed.

29/Jan/2004: 'Low' numbers were trapped overnight.

29/Jan/2004: All chickens tested negative for MVEV & KUNV from the 19/Jan bleed.

27/Jan/2004: All chickens tested negative for MVEV & KUNV from the 12/Jan bleed.

14/Jan/2004: A 'medium' mosquito collection was made this week comprising 55 mosquitoes, with 44 Culex annulirostris.

13/Jan/2004: All chickens tested negative for MVEV & KUNV from the 7/Jan/2004 bleed.

9/Jan/2004: 'Low' numbers were trapped overnight.

8/Jan/2004: 'Low' numbers were trapped overnight.

24/Dec/2003: There was isolate of Edge Hill virus, ex Culex annulirostris trapped 11/Dec from the Sewage Treatment Site.

19/Dec/2003: A collection made at Crossley netted a 'high' collection of 106 mosquitoes, mostly Culex quinquefasctiatus (98).

16/Dec/2003: 'Medium' numbers (53) were trapped, with 47 Culex annulirostris from the Sewage Farm.

11/Dec/2003: Numbers were 'high' (115) this week, dominated by 92 Culex annulirostris.

4/Dec/2003: The first collection of the season yielded 'low' numbers.

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