Entomological surveillance

Y\ Gl.r. .', (\ Mlt.roitAilur From : Dr Ebrahim Ir1. Samba Programme Director To : All Chiefs of Units, Services, Sectors, and. Sub-Sectors Date : 12 August IpB1 No. 1]/e1 Entonnol-ogical survei l-l-ance The entomological situation i-s very good irr northern.Gha;a, in the centre and eastern parts of Upper Voita, in the north of Togo and. Sen-in.in Niger, as welr as in rost of the prcgramme area in ivlari ind in the nortir-eastern part of Ivory Coast. 1i marked. improvernent'is registered_irIvory Coast vtltere regrrlar treatments with chlo-rphoxim were resurned. two weeks ago. fhe ntimi'er of catches is high at the jr.rnction of the upper Marahoud and its midcle section and on the upper Sassandra system. liater courses inthese arears v,rere treated r,rith Abate for the last 6 weelcs to select tenephosresistant populations for specific research projects. Flies caught thereare of the forest species. Surveillance is being intensified" fol-loviing a notable increase inthe proportion of femal-es thour.'ht to be of forest origin and car4Sht atGrechan on the Leraba and. in the south-ea.st of t{ali. Special measu.reshave been taken to ensr:re proper ide.ptificatio;-ro to follow the evolutionof these populations, and to e-,ral-ual the:r transmis:ion potential an6their susceptibility to temephos. Reinvasion fn the i+est reinvasion is still evirient on the F:.ya river lvhiled.ecreasing' in the south of the Programme area in },.ial_i. fn tlie east experinental treatrnents south of tl Le Progrannne borued.aries in To,lo hi.-re beerr inberrupted after sir cycles. Cb=u=rrrtionshave nou started- on the repopul;.tion of the b::eed.in;; sites and. on the reinvasion ir. tire no::fl-r cf Togo. cc Dr nr Dr Dr Dr Itr I,1r }f Dr Dlc }f C.A.A. Quenum, RDO/AI'R0J. Hamonr ADG/liQ A.0. hrcas, tDn/Uq Id.G. Gratz. WCfHq 'I. Lepbs , lLAP/Hq"A. Davis, PDP/HQ C. Mor::ow, IIIF/HQ C. Vigne::, If,;CfnCl tr'. Gra,nt, CID/AI,RO F. Martin-Samos , \{pCf OuagaK. Ward-Brew, ltrWC/Accra F. Silcu, WPC/Cotonou Dr J.J. d rAlneicla, \lPCf Banako Dr l. Atayi, \,pc/Abidjan Dr J. ilright, Ijl,vC/Niamey Dr A.K. Pir3aye., lfpC/Lom6 Ilr B. /ilisbah, Worlo Bankllr J. Peberd.y, i/orld ,3ank Mr S. Denn-ing, l,Icrld narnk Mr S. Ilicholase FAO lh C.G. Groom, FAO I'tr 11. Doo I{in3u6, UI,DP ilir S. NtDiaye, TIIIDP e 2Resear ch in the s zone A VCU informal working grcup wil-l meet in Lrrr:ia-i(ara on 2l- and 22 August to discuss the resul-ts of the rvork carried cu,c so fa.r inthe rein-vrision ancl extension stud,y zone in the cast. r-i,ens on the agenda includ.e the continuaticn cf the wcrk by Dr Cheke after,jr Garmrsdeparture by the end of August, i-:s rrer-L 3s rece,-ll.ch pror,osal_s in that zone for l)82 ; progress cn tlic ir,orphological ciff,:rer.tiation ofadults oi the S. d.a.mnosun cor,1.:ls; , especially crf tl e va.rious forns ofE. soubrense arlc-L--sQrritrcjLm, cLi;cussicn on th.e rei:earch tr,ioject onizoenzyme identific;rtj-on of ite vector com2lcx and on nrrryrr" siud.ies onresistant S. sorlbrense popular.ticn to bc ca..rricci ou.t j.n Seitenber 1981. By memo on 6 August, Chief VCII::ecucsted th.b tiie J_monthconsultantsl:ip of Dr S. ivlereclith be exterid-ed for: one aCcLiti-o:ra.1 rnonthunti1 J0 September. Insect icid,e s I By letter on 5 August and following' initiar trials oJ' a nervformulation of 3T produced by Sol-way the Prcgramr,ie indi-catecr. to tha.tfirm its r'iillingness to proceed rvith fiel-ri triats anc! enc.,uired. aboutthe cost, packing and. production deIay for 2oo ritres of flrat formu-Iation (tr 59 se). Novr that the setting up of a vcu team irarrd,r-ing insecticid.ematters is being launched. and that the::esearch in tbis field is stillintensifiecl, chief vcu, by inemo o]1 z) July, suggcstecl a nernr concerta-tion betvreen afL interested. pa.rties, vff, imr-inro, and the programme,to review the pI;,,n of action, distribution of tasks ancl fina,.ncin6 inour search for new insecticid.es. Aqr:atic Pioni'Lcrine our contractual asgeernent with 0RST0II for t]re aquatic monitoringof the Bagoue, sassandra and liarahoue rivers in rvory Coasu, arnd forresearch on the aquatic f.tuna. and on the ini;a.ct of insecticides on thi.sfaula, was renerved. for the sccond. semester ir rggr on Jo Jul;.e for anamount of $ 15.1J0. The nork is ca.rried out i;y it" ott.sioi't Hy-#obioloryIaboratory at Bor:ake. In ad.dition to the r..grio" mc.:itoring- carried. outpreviously the Hyclrol,iol_o15, Libo::a.t,-,ry staff is tc ca?qr o..t ,r, intensivesurveillance of the other rivers trested. with chror:phorin. _ By letters an 2'l July the Di-rector of the proi,ranae askcd theDirector cf the Fisheries Departraent in Berr_in ancl the rean of theUn-iversity of Benin in Togo to conclude the contractua.l agrec,rnent sent on 2J l'Iay so as to avoio any further cielay in the aquatic monitori-ngof the rivers in their co,ntries by the na.tic'ar- teems. By terex on I August the tr{pc in Abicljan i:rfo::rnec the programmeDirector of the adreement of the rnstitute oi rrcpic"r E"oiogir-;rlvorxr coa"st for the train-tng in ichthyology of jrlr cl_ereirt loi"our. or3en-1n, for a six-month period. A 7r.obo cPL p:r r-,rontl: fee ryor.rl_cl bepaid. to the fnstitute. 7for the ension s Z fn-itial conta.cts irave been made viith thc. Upper Volta Geogra-phica.I rnstitute colcerning lhe preparation^of r:ai;s .icr the area.sitl:ated beiueeir a"]-lr and C"4Jt East and J" and. Su5Or Norflr rn the e;:tension studl, z;one in Gj..zna for r^'hich no n.:ps a.Dlronriate for our work are available. Commission a ud. anallrsi-s of ttre Pri -rarnmc d.ata During the final meeting of tjre fnrle,_,cn,:zn-b Coi:mission on Z7-1OJuly in I/'IHO/HQ the stertistical rta.ff h;ndling the Programme data r,rere askecl to rnake a presentation on the ana.llrsj.s of the epidemioloi;ica] results obtained so far. The Commissj-on rvas interested.in tire d-ec]ine inprevalence and. intensity using the snip data, the Cecline in prevalcnce of intensity of ophtiralmological characteristics and t[e effect cf residual transmission. There was al-so iirtere st expressed. ii: whe,cher any analysis coulcl be d.one in Oua6ad.ouEoue usinit for instance, rnic-iocomputers.The staff rrere particularly r..rarrrly thankeo. for their cl_ose a.nd helpfu_I cooperation with the Cornmission. Econonic Develonment Requested comments and suggestions for the har:nonization of the reports of the countries cn socio-econonic devclo,,ment have so farbeen received frorn fi'rancer t'he USA, tJre FRG anil'bi-re African Developaentb*, from Ivory Coa"st, Ghana and. Benin. llhe Prograrme Di.:ector received. a uocumcnt nreparecl on 21 Julyby Prof. A. sar'rad.ogo aft,er his visit in tjre progrermme area oj1 L2-t4June in hj-s capacrty as mernber of the Expert Ac,lvteory Committee.Prof. Sa,vrad.ogo recommend.s that in therr scarcl; fcr efficacy the parti- cipatin6' cr:rrn'uries st;engthen a confi-cr-ent ::elartionship u,itir ttre Donor.s. Staffine By letter on I August to the-.Ilinister of Hbaltb. and._Socieul Affairsof liiger the Pro'.ramne Directcr reneuec }:is ofler of JO Janu._r.ry 1!61to consicler +;he cand.idates the I'rin-ister \{cu}d- cr-.o-)ose for the post of medi-caI entomology technician for ti:e Nia.rney sub-sector. Staff_ services Mrs R. ivied.i;rer, Insr:rance Officcr, i-tQ, is spei-rcling ti_,o rieeks -".'itle Finrnce Programme staif tr, provioe cn-l:he-"iob training on i,Liiffhei-rith insr.,Jance natter:s. rn acrciitioir l{rs viieclme,: is availal:le forindividua.l- consul-t.rtions on staff heal-th insur.ance, jcrin-t s-ca-i'f pensionfund anrl Eroup l_ife insr-irance. Reporting cn Pr activities In application of ile,.;olutrorr AFR/RC recommend.ed a rvi-d.er distribution of fl:re pr reports to the cor-ryrtries o.t the Region. ByDirector ergreed. with this sug"gestion and. a, reports will be sent tc AFRO t'ron now on. 1O/R4 the Iie.lional Qff.ice .granr)e activity ::.nd technica.I memo cn 2J JuLy the f,rogramne dciiticnal col-):es of these fi,| \i Dr Eb::ahi:n M. S;mba It II at. qo { i. AI $l ffn tlt6{, 6tltu \ -. * *.-. ^-rItsl lit riiI li ,i oll @ € "t ;f \ L \ ')I _{ E 2dtltd ad e -e sld 5 .- o UJ (1(-) G, g trlG 2I trj FF3 146 Ef, EIer ---arh --- l.- tt fo : -j \, 3J o t rlF ,' I o aI t a a r{1,* ,(, :1"t , I{ \. ( \ ,z I T .i d I .J !f t ,ri! ,.{ .l t' tt4I ( ) h& E aE fi E .9 ,,t U xJ T a,! .0 U ? u.$ .: .{ .t r- .jt I tr z, u :E EEI E Jo eP *at3.0 v) ,{6C <t6Ei.{ UEIgr 60 rL e. n t Jt4 f t ! I T (t ) ) ;r! i, I I -{ t .-..\ db I