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7B - West Nile virus mosquito control program update data J Infection Rate and Proposed Index Comparison s 250 6 J~ S ~ 200 1ss 184 r 4 Due to limited data, > E 150 X Index and IR could not z ~ be calculated past week of 6/24M3. 3 7~! V ti o d t; j 100 i 91 Q 80 77 2 ~ 50 st 38 40 34 29 .75 Threshold 17 7 12 0 0 611 618 6115 6/22 6129 716 7113 7120 7/27'' 8/3 8/10 6117 8/24 8/31 917 9/14 9121 Week Avg. Vector per Trapnight Infection Rate Value Index Value r~~ cr1 ~ - ~ ( ~ - e BC- 17 1 7 1 ~ ~ s l ac~os _ I HSr M -c 4 M. BC-21 00-05 ac o3 13C•02 --1 4 rr. C6 - .1 • 'dam ~ 1 ~layJ- ~ I ~ 4 fh~ .gel } ` .~~5 _ _ - ' `•j N`om` r , - s BBC■1-22 l1.wKi < U-02;- cmd.a aelydr cawM rp Legend ran rx I ■ Aim ".I. Trap L-1-1 Trap Buller Spray Areae ■ Ek.Ad r ray Tmp L-w- pryTmP1.5WA.Mor . CITY OFBOULDER `_ti i coumy rrap HG20 I s Ma. &mer WEST NILE VIRUS nnaw+el q SURVEILLANCE AND CONTROL PROGRAM - llgn..y 2064 SEASON Stmans Osr LAL o IN °p" Ow"dra` w E BMIpr6 2004M"trPdl OtterTail ~~y~ " o n.s r 2 s a"" au Elivirunmerllal; nnuae I I