Culiseta melanura and Eastern Equine Encephalitis Historic Population Mean. Current Weekly Mean

Size: px

Start display at page:

Download "Culiseta melanura and Eastern Equine Encephalitis Historic Population Mean. Current Weekly Mean"

Dulcie Nichols
5 years ago
Views:

1 VECTOR SURVEILLANCE IN NEW JERSEY EEE, WNV, SLE and LAC Prpard by Lisa M. Rd, Scott Crans and Mark Robson Cntr for Vctor Biology, Rutgrs Univrsity CDC WEEK 36: Sptmbr 2 to Sptmbr 8, 2 Data Downloadd :45 pm 1 Sptmbr 2 This Nw Jrsy Agricultural Exprimnt Station rport is supportd by Rutgrs Univrsity, Hatch funds, funding from th NJ Stat Mosquito Control Commission and with th participation of th Dpartmnt of Halth, Dpartmnt of Agricultur and of th 21 county mosquito control agncis of Nw Jrsy. SITE/Boxs Culista mlanura and Eastrn Equin Encphalitis Inland / Coastal Historic Population Man Currnt Wkly Man Total (Collctd) Tstd* Total Pools (Submittd) Tstd Bass Rivr (Burlington Co.)/1 Coastal na 1.5 (34) 19 (6) 5 EEE Isolation Pools Grn Bank (Burlington Co.)/25 Coastal (371) 116 () Corbin City (Atlantic Co.)/25 Coastal (181) 178 (14) 13 Dnnisvill (Cap May Co.)/5 Coastal Winslow (Camdn Co.)/5 Inland Cntrton (Salm Co.)/5 Inland Turky Swamp (Monmouth Co.)/48 Inland (64) 562 (19) Glassboro (Gloucstr Co.)/5 Inland *Including trial run last wk in May. Adjustd. Rmarks: No nw pools of EEE wr dtctd in Cs. mlanura collctd at th svn traditional rsting box sits. Additional positivs wr dtctd lswhr (s nxt pag). Not th vry larg incras in populations on th astrn sid of Nw Jrsy (Grn Bank). To dat 3645 Cs. mlanura from 135 pools hav bn tstd from th traditional rsting box sits, with svn additional pools in th systm to b tstd. Svntn positiv pools hav bn dtctd at ths sits, for an MFIR of A total of 26 positiv pools hav bn dtctd in Nw Jrsy, with nin dtctd positiv pools in traps st by individual countis for an MFIR of 1.51 (s blow). Ovrall Cs. mlanura MFIR valu for th stat is All positiv pools rmain in Culista mlanura. MFIR

2 Thr hundrd nintn additional pools containing 5965 Cs. mlanura hav bn tstd from othr sits using othr traps in addition to rsting boxs. Two nw positiv pools wr dtctd in Atlantic County (Co2 trap) and Gloucstr County (rsting box). A sason total of 9 positiv Cs. mlanura pools from ths sits hav bn dtctd. County Additional Cs. mlanura trappd by countis *traps with positivs indicatd in BOLD. Trap typs* Numbr collctd (pools) Numbr of positivs pools MFIR Atlantic CO 2 18 (1) Burlington CO 2, Othr 3953 (87) 1.25 Cap May Gravid, RB 5 () Cumbrland CO 2, Gravid, RB 27 (21) Gloucstr CO 2, RB 1 (82) Monmouth Gravid 9 (2) Ocan CO 2, Gravid, RB 92 (21) Salm CO 2 3 (3) TOTAL 5965 (319) Horss and Humans: To dat, four EEE positiv horss hav bn idntifid: 1) A prsumptiv positiv hors with an unusually arly onst dat of 25 May has bn rportd for Burlington County. Th hors was rportdly vaccinatd in arly May. 2) A scond hors has bn rportd, also from Burlington County. Dat of onst was 22 July, with th 3.9 yo mar uthanizd on th sam dat and no rportd vaccination history. 3) A 3 yo mar from Atlantic County with dat of onst of 1 Aug was uthanizd on th sam day (no vaccination history) and 4) a 4 yo mar from Camdn County with dat of onst 18 Aug was uthanizd on sam dat, no vaccination history. Horss and Vaccinations: Th fat of unvaccinatd quids rinforcs th ncssity of maintaining a vaccination schdul for arboviruss. For vaccination schduls rcommndd by th Amrican Association of Equin Practics, s:

3 Spcis othr than Cs. mlanura Pools Mosquitos Positivs MFIR Ads albopictus 8 4 Ads canadnsis canadnsis Ads cantator Ads japonicus Ads mitchlla 4 6 Ads sollicitans Ads sticticus 1 8 Ads trisriatus 4 4 Ads trivittatus 1 2 Ads vxans 7 83 Anophls bradlyi Anophls crucians 5 39 Anophls punctipnnis Anophls quadrimaculatus 21 8 Coquillttidia prturbans Culx rraticus Culx pipins Culx rstuans Culx salinarius Culx sp Psorophora columbia 2 6 Stat Total Th tabl to th lft indicats non-cs. mlanura mosquitos tstd for EEE. An additional 2 spcis of mosquitos hav bn tstd with no dtction of EEE.

4 Man Numbr / Box Culista mlanura Population Graphs Coastal BASS RIVER (Burlington Co.) 2 GREEN BANK (Burlington Co.) 2 21 Yar Man CORBIN CITY (Atlantic Co.) 2 27 Yar Man DENNISVILLE (Cap May Co.) 2 35 Yar Man x o 9 / B r b 6 m u N n a 3 M Jun July August Sptmbr Octobr Jun July August Sptmbr Octobr x o B 9 r / b m u 6 N n a 3 M x o r / B b m u N n a M Jun July August Sptmbr Octobr Wk of Collction Wk of Collction Wk of Collction Wk of Collction Inland WINSLOW (Camdn Co.) 2 Jun July August Sptmbr Octobr x o / B 9 r b m u 6 N n a 3 M 3 Yar Man CENTERTON (Salm Co.) 2 27 Yar Man Jun July August Sptmbr Octobr x o 9 r / B b m 6 u N n a 3 M TURKEY SWAMP (Monmouth Co.) 2 9 Yar Man Jun July August Sptmbr Octobr x o / B 9 r b m u 6 N n a 3 M GLASSBORO (Gloucstr Co.) 2 x o B 9 / r b m 6 u N n a 3 M 3 Yar Man Jun July August Sptmbr Octobr Wk of Collction Wk of Collction Wk of Collction Wk of Collction Populations of Culista mlanura xplodd at th Grn Bank sit with numbrs that had not bn sn sinc 29. Incrass wr also sn at th nw Bass Rivr sit and at Turky Swamp whil lswhr, populations rmaind similar or lowr to th prvious wk. = Positiv pool(s) dtctd.

5 EEE in US (2 cumulativ cass): (Black or Rd = prvious + nw rportd cass occurring) - quin: 7(AL) 19(FL) 6(GA) 27(LA) 2(MA) 1(MI) 26(MS) 11(NC) 4(NJ) 2(NY) 11(SC) 2(WI) - mosquito pools: 3(CT) 1(LA) 152(MA) 2(NH) 26(NJ) 2(RI) 137(VA) 7(VT) - sntinl: 1(AL) 1(DE) 41(FL) 2 wild(me) 3(NC) 33(VA) - human: 1(FL) 2(MA) 1(VA) 2(VT) Wst Nil Virus Wst Nil in US (2 cumulativ cass): Singl black valus indicat no chang from prvious wk. Black valus / rd valus quals prvious wk/nw totals. Not: Data rportd by all stats should b considrd provisional and subjct to chang. Sourcs for this tabl can b found hr. Mosquito Birds Sntinls Horss Humans Pools Alabama 15 11/ /16 Alaska Arizona Arkansas 31/35 California 954/ /28 217/276 9/1 56/75 Colorado 86/ /33 Conncticut 25/215 6 Dlawar 1/11 2/3 1 DC 1 Florida 16/4 1 19/28 Gorgia Hawaii Idaho 23/35 3/5 4/8 Illinois 82/87 314/3395 2/3 6/83 Indiana 2 518/621 17/18 26/36 Iowa 3 6/8 4/5 5/1 Kansas 1 15/24 Kntucky 8/9 1/3 Louisiana 2165/ /9 27 1/145 Main 4 Maryland 5/7 15/21 Mass. 189/224 1/2 8/13 Michigan 19/ /9 Minnsota 2/26 51/ /48 Mississippi /14 Missouri 96/ /1 Birds Mosquito Pools Sntinls Horss Humans Montana 2/8 1 1 Nbraska 8 158/19 29/4 Nvada 2 1 Nw Hampshir 38/4 1 Nw Jrsy 72/84 761/ /15 Nw Mxico 16/2 6/9 7/17 Nw York 83/878 25/34 North Carolina 1 3/5 North Dakota 2 36/54 Ohio 96/145 1/4 43/53 Oklahoma /3 Orgon Pnnsylvania 95/ /34 16/18* 16/18 Rhod Island 2/3 South Carolina /11 South Dakota 1/2 62/ /119 Tnnss /18 Txas 118/13 118/33 22/36 981/166 Utah 8/14 1 2/3 Vrmont 1 Virginia Washington Wst Virginia 156 2/3 Wisconsin 21/26 1/13 Wyoming /3 4 * Can includ othr spcis (.g., dogs, cows) rportd positiv.

6 Protocol: Nw Jrsy Dpartmnt of Halth (NJDH Public Halth Environmntal and Agricultural Laboratoris, PHEAL) and th Cap May County Dpartmnt of Mosquito Control tsts mosquito pools using RT-PCR Taqman tchniqus. Mosquito Spcis Submittd and Tstd for Wst Nil Virus Tsting through 1 Sptmbr 2 Spcis Pools Mosquitos Positivs MFIR Ads albopictus Ads atlanticus 1 14 Ads atropalpus 2 7 Ads canadnsis canadnsis Ads cantator Ads grossbcki 2 2 Ads japonicus Ads mitchlla 4 6 Ads sollicitans Ads sticticus 7 4 Ads taniorhynchus Ads trisriatus Ads trivittatus 6 1 Ads vxans Anophls bradlyi Anophls crucians 8 45 Anophls punctipnnis Anophls quadrimaculatus Coquillttidia prturbans Culx rraticus Culx pipins Culx rstuans Culx salinarius Culx sp Culx trritans Culista mlanura Culista minnsota 1 2 Orthopodomyia signifra Psorophora ciliata 1 1 Psorophora columbia Psorophora frox 1 59 Psorophora howardii 1 1 Stat Total , Rmarks: To dat, thr hav bn 177,74 mosquitos tstd in 7,858 pools from 31 spcis. Currntly, 834 positiv pools hav bn dtctd in Ads albopictus, A. japonicus, Ads vxans, Anophls punctipnnis, Anophls quadrimaculatus, Culx pipins, Mixd Cx. spcis, Culx rstuans, Culx salinarius and Culista mlanura. Mixd Culx pools continud to incras in positiv pools from 628 to 695, with MFIR valus incrasing from to Humans, Horss and Wild Birds: Fiftn human cass hav bn rportd in th following countis: Brgn (1), Burlington (1), Camdn (1), Essx (2), Gloucstr (1), Hudson (1), Mrcr (1), Middlsx (1), Monmouth (1), and Ocan (3), Passaic (1) and Salm (1). S for furthr information. Two positiv WNV horss hav bn rportd: 1) A 11 yo quartr hors from Salm County, with onst of symptoms on 4 th August. Th hors was put down th sam day. Gnrally horss hav ithr an unknown or no vaccination history, but this hors was rportd as vaccinatd. S In th vry activ yar of 21, th first WNV hors cas had an onst dat of 17 August. 2) A 25 yo glding from Monmouth County, onst of symptoms 14 July, was vaccinatd and is rcovring.

7 Numbr of positiv pools Bird tsting bgan in mid-april. To dat, WNV has bn dtctd in ighty-four birds out of 217 tstd. WNV was first dtctd in an Amrican Crow (Corvus brachyrhynchos) from Morris County, collctd 9 April. To dat, tsting includs: Amrican Crow (Corvus brachyrhynchos 4/45), Fish Crow (Corvus ossifragus 13/39), unidntifid Crow (Corvus spp. 11/21), Blu Jay (Cyanocitta cristata 16/25), Hawk/Raptor (1/8) and othr avian spcis (3/79). Countis submitting birds ar Atlantic, Brgn, Burlington, Cap May, Cumbrland, Essx, Gloucstr, Huntrdon, Mrcr, Middlsx, Monmouth, Morris, Ocan, Somrst, Sussx and Warrn. 2 Positiv Mosquito pools to dat / Total Mosquito This tim last yar Pools Submittd 834 / 7858 (.16) 42 / 517 (.82) 2 Positiv Birds to dat / Total Birds Submittd This tim last yar 84 / 217 (.387) 24 / 85 (.282) Activity continus to incras, as sn by plotting cumulativ positiv pools (graph blow) WNV Rsults by County through 1 Sptmbr 2 County Spcis Pools Mosquitos Positivs MFIR Atlantic Ads albopictus Ads canadnsis canadnsis 1 2 Ads cantator 1 1 Ads japonicus 7 25 Ads sollicitans 1 9 Ads taniorhynchus 2 89 Ads trisriatus 3 15 Ads trivittatus 1 2

8 Ads vxans 4 82 Anophls bradlyi 2 5 Anophls punctipnnis 1 15 Coquillttidia prturbans 2 3 Culx rraticus 7 71 Culx spp Culista mlanura Psorophora columbia 1 1 Psorophora frox 1 8 Psorophora howardii 1 1 Brgn Ads albopictus Ads japonicus Ads trisriatus 1 1 Ads vxans 1 4 Anophls punctipnnis 1 1 Anophls quadrimaculatus Culx salinarius Culx spp Burlington Ads albopictus Ads atropalpus 1 2 Ads canadnsis canadnsis Ads cantator 2 3 Ads japonicus Ads mitchlla 4 6 Ads sticticus 1 8 Ads trisriatus 5 53 Ads trivittatus 1 2 Ads vxans 6 88 Anophls bradlyi 3 8 Anophls crucians 3 37 Anophls punctipnnis 3 14 Anophls quadrimaculatus 3 11 Coquillttidia prturbans Culx rraticus 7 87 Culx pipins Culx rstuans 3 55 Culx salinarius Culx spp Culista mlanura Psorophora columbia 1 5 Camdn Ads albopictus Ads japonicus Ads trisriatus 2 6 Ads trivittatus 1 2 Anophls punctipnnis 1 2 Culx spp Culista mlanura Cap May Ads albopictus

9 Ads atlanticus 6 9 Ads atropalpus 1 5 Ads canadnsis canadnsis 8 73 Ads cantator Ads japonicus 154 Ads sollicitans Ads taniorhynchus Ads trisriatus Ads vxans 19 5 Anophls bradlyi Anophls punctipnnis Anophls quadrimaculatus 8 28 Coquillttidia prturbans 6 25 Culx rraticus Culx pipins Culx rstuans Culx salinarius Culx spp Culx trritans Culista mlanura Orthopodomyia signifra Psorophora columbia 4 5 Cumbrland Ads albopictus Ads atlanticus 3 3 Ads canadnsis canadnsis 4 25 Ads cantator 3 11 Ads japonicus Ads trisriatus 8 16 Ads vxans 3 9 Anophls crucians Anophls bradlyi 4 7 Anophls punctipnnis 8 16 Anophls quadrimaculatus 2 2 Coquillttidia prturbans 6 89 Culx rraticus Culx pipins Culx rstuans 1 88 Culx salinarius Culx spp Culx trritans 3 3 Culista mlanura Psorophora columbia 2 14 Psorophora frox 3 22 Essx Ads albopictus Ads canadnsis canadnsis 2 2 Ads grossbcki 2 2 Ads japonicus Ads sticticus Ads trisriatus 9 22 Ads vxans Culx spp Psorophora frox 1 4

10 Gloucstr Ads albopictus Ads japonicus 6 7 Ads trisriatus 1 7 Ads vxans 2 4 Anophls punctipnnis 17 1 Anophls quadrimaculatus Coquillttidia prturbans 1 2 Culx pipins Culista mlanura Hudson Culx spp Huntrdon Culx spp Mrcr Ads albopictus Ads japonicus Ads trisriatus 5 11 Ads vxans 1 3 Culx rraticus 1 7 Culx pipins Culx rstuans Culx spp Middlsx Ads albopictus Ads japonicus 15 Ads trisriatus 3 14 Culx spp Monmouth Ads albopictus Ads canadnsis canadnsis 11 8 Ads cantator 8 43 Ads japonicus Ads trisriatus Ads vxans 6 9 Anophls crucians 1 1 Anophls punctipnnis Anophls quadrimaculatus 1 1 Coquillttidia prturbans 3 4 Culx rraticus 7 11 Culx pipins 1 1 Culx salinarius 3 14 Culx spp Culista mlanura Psorophora columbia 1 2 Psorophora frox 1 2 Morris Ads albopictus 2 25

11 Ads japonicus 2 3 Ads trisriatus 3 14 Anophls punctipnnis 2 65 Coquillttidia prturbans Culx spp Ocan Ads albopictus Ads atlanticus 1 2 Ads canadnsis canadnsis Ads cantator Ads japonicus Ads sollicitans 2 2 Ads taniorhynchus 1 1 Ads trisriatus Ads trivittatus 1 2 Ads vxans Anophls bradlyi 7 39 Anophls punctipnnis 2 2 Anophls quadrimaculatus 1 1 Coquillttidia prturbans Culx rstuans 1 1 Culx salinarius 9 31 Culx spp Culista mlanura Psorophora frox 2 2 Passaic Ads albopictus Ads japonicus Ads trisriatus Anophls punctipnnis 4 15 Coquillttidia prturbans 1 2 Culx spp Salm Ads albopictus Ads canadnsis canadnsis 2 6 Ads cantator 1 1 Ads japonicus 8 22 Ads sticticus 1 3 Ads trisriatus 4 4 Ads vxans 1 82 Anophls bradlyi 5 31 Anophls punctipnnis 5 7 Anophls quadrimaculatus 7 25 Coquillttidia prturbans Culx rraticus 1 97 Culx pipins 4 26 Culx rstuans 2 15 Culx spp Culista mlanura Culista minnsota 1 2 Psorophora ciliata 1 1 Psorophora columbia 5 48 Psorophora frox 2 21

Somrst 29 49 3 7.335 Ads albopictus 15 96 Ads canadnsis canadnsis 1 3 Ads japonicus 17 111 Ads trisriatus 3 39 Ads vxans 1 8 Anophls punctipnnis 3 22 1 45.455 Culx spp. 169 3811 29 7.

998 Ads albopictus 44 693 Ads japonicus 4 54 Ads trisriatus 1 15 Culx spp. 225 367 15 8.49 Warrn 272 6411 2 3.

12 Somrst Ads albopictus Ads canadnsis canadnsis 1 3 Ads japonicus Ads trisriatus 3 39 Ads vxans 1 8 Anophls punctipnnis Culx spp Sussx Coquillttidia prturbans 1 43 Culx pipins 4 59 Culx rstuans Culx salinarius 1 1 Culx spp Culista mlanura 7 Union Ads albopictus Ads japonicus 4 54 Ads trisriatus 1 15 Culx spp Warrn Ads albopictus 2 53 Ads japonicus Ads trisriatus 7 24 Ads trivittatus 2 2 Ads vxans 5 15 Anophls punctipnnis Anophls quadrimaculatus 4 4 Coquillttidia prturbans 1 1 Culx spp Grand Total Cumulativ WNV activity in 211. WNV activity to 1 Spt 2. WNV activity last wk, 2.

13 Saint Louis Encphalitis (SLE) through 1 Sptmbr 2. Nw Jrsy will b slctivly tsting for SLE this yar. SLE has had prvious activity in Nw Jrsy, most notably in 1964 and 1975 (CDC s SLE wbsit), th lattr prompting th survillanc rporting by Rutgrs. SLE is a flavivirus and has a similar transmission pattrn to Wst Nil, with Culx spcis as th prdominant vctors. No pools hav tstd positiv for SLE to dat in 2. County Spcis Pools Mosquitos Positivs MFIR Burlington Ads albopictus 5 32 Ads canadnsis canadnsis Ads cantator 2 3 Ads japonicus Ads mitchlla 4 6 Ads sticticus 1 8 Ads trisriatus 3 3 Ads trivittatus 1 2 Ads vxans 4 65 Anophls bradlyi 1 4 Anophls crucians 3 37 Anophls punctipnnis 2 13 Anophls quadrimaculatus 3 11 Coquillttidia prturbans Culx rraticus 3 71 Culx pipins Culx rstuans 3 55 Culx salinarius Culx spp Culista mlanura Psorophora columbia 1 5 Camdn Ads albopictus 7 31 Ads japonicus 4 6 Ads trisriatus 1 5 Anophls punctipnnis 1 2 Culx spp Essx 2 39 Ads albopictus Ads canadnsis canadnsis 2 2 Ads grossbcki 2 2 Ads japonicus Ads sticticus Ads trisriatus 9 22 Ads vxans Culx spp Psorophora frox 1 4 Hudson Culx spp

14 Grand Total La Cross Encphalitis (LAC) through 1 Sptmbr 2. Nw Jrsy will b slctivly tsting for La Cross (LAC) virus this yar. Nw Jrsy has had 3 cass of this ncphalitic disas sinc 1964 (s CDC s LAC wbsit). Th mortality is low but lik othr ncphalitids, LAC can hav both prsonal (lasting nurological squla) and conomic impacts. LAC is a bunyavirus with a transmission cycl involving mosquitos such as Ads trisriatus and small mammals such as squirrls and chipmunks. LAC can not only infct Ads albopictus but transovarial transmission was also dmonstratd. (Tsh and Gublr 1975 Laboratory studis of transovarial transmission of La Cross and othr arboviruss by Ads albopictus and Culx fatigans. Amrican Journal of Tropical Mdicin and Hygin 24(5):876-88). No pools tstd positiv to dat for 2. County Spcis Pools Mosquitos Positivs MFIR Burlington 1 39 Ads trisriatus 1 39 Cap May Ads trisriatus Culx spp. 1 2 Orthopodomyia signifra 1 1 Psorophora columbia 1 2 Cumbrland 8 16 Ads trisriatus 8 16 Salm 1 1 Ads trisriatus 1 1 Union 1 15 Ads trisriatus 1 15 Grand Total

Culiseta melanura and Eastern Equine Encephalitis Historic Population Mean. Current Weekly Mean

Culiseta melanura and Eastern Equine Encephalitis Historic Population Mean. Current Weekly Mean VECTOR SURVEILLANCE IN NEW JERSEY EEE, WNV, SLE and LAC Prpard by Lisa M. Rd, Scott Crans and Mark Robson Cntr for Vctor Biology, Rutgrs Univrsity CDC WEEK 33: August to August 18, 2 Data Downloadd 3:55