Training Module for Medical Officer - NVBDCP

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f. Anopheles dirus: Vector in forested and forest fringe area in the northeast.Highly exophilic and exophagic and difficult to ). Breed in small,transient, partly shaded pools in forest areas (eg. Elephant footprints)g. Anopheles annularis: Mainly a secondary vector, which is common incentral India and Orissa.h. Anopheles philippinensis: It is incriminated as a vector in deltaic West Bengaland N.E. India. Breeds mainly in paddy fields.i. Anopheles varuna: Secondary vector in Andhra Pradesh, Jharkhand andOrissa.2.7 Bionomics of important vector species. The behaviour of the fourimportant vector species is given below:Site ofbreedingZoophilic/anthropophilicSeasonalityPeakTime ofbitingAn.culicifaciesWater inpaddyfields,wells,irrigationwells, stepwells,ponds,cattlewaterstorages,cattle footprintsZoophilic;OccasionallyanthropophilicPeaksduringmonsoonmonthsVaries –(1900 to0400)An.stephensiClean waterin watertanks, waterlogged intrenches,large cleanwaterpuddles,upturnedcans, etcZoophilic/Anthropophilic accordingto availabilityRainymonthsVaries-(2200 tomidnight)An.fluviatilisRockpools, hillystreams,pondsAnthropophilicPeaks inlatemonsoonsand earlywintermonthsLate night(2300 to0300)An.minimusShadedslow flowingstreamswith grassymargins,swamps,ditches,channelsHighlyanthropophilicPerennial1800 to 1900(Outdoors);Midnight to0200(Indoors)An. dirussmall,transient,partlyshadedpools inforestareas (eg.Elephantfootprints)HighlyanthripophilicRainymonths2100 –03:00 Hrs16
Preferredplace ofbitingRestingbehaviourAn.culicifaciesEndophagicAn.stephensiEndophagicAn.fluviatilisEndophagic &exophagicEndophilic Endophilic Endophilic/ExophilicAn.minimusEndophagic&ExophagicEndophilic/ExophilicAn. dirusPrimarilyExophagic&Endophagic as wellExclusivelyExophilicBiologicalefficiencyas vectorLow Low High High High17
Page 3 and 4: Change Communication (BCC), interse
Page 6 and 7: maintained. For this reason, someti
Page 8 and 9: a) There are fewer people, who have
Page 11 and 12: Learning Unit 2. Malaria Entomology
Page 13 and 14: the anopheline pupa is short and ha
Page 15: 2.5.4 AdultMating takes place soon
Page 19 and 20: and the slide is discarded in order
Page 21 and 22: NVBDCP and NIMR jointly monitor the
Page 23 and 24: Age-specific Drug Schedules1. Chlor
Page 25 and 26: In children, febrile convulsions, r
Page 27 and 28: In severe malaria cases, a parenter

Training Module for Medical Officer - NVBDCP

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