Effectiveness and feasibility of active and passive case detection in the visceral leishmaniasis elimination initiative in India, Bangladesh, and Nepal.
This study analyzed the effectiveness of active case detection (ACD) for new visceral leishmaniasis (VL) cases. ACD detection was carried out using house to house screening in Bangladesh and India and by neighborhood screening around index cases in Nepal. The percent increase of new VL cases through ACD compared to PCD was 6.7-17.1% in India; 38.8% in Nepal; and 60% in Bangladesh. The screening effort was high in India and Bangladesh (house to house screening) compared to Nepal (index case screening). The additional cost per new VL case detected varied: $50 to $106 in India; $172 in Bangladesh; $262 in Nepal depending on the type of screening staff, transport and training costs. The estimated annual VL incidence in the ACD arm ranged from 315-383 in India; 109 in Bangladesh, and 43 per 100,000 in Nepal. The additional effort and cost rises as disease incidence declines or PCD improves.
Hirve
Siddhivinayak
S
KEM Hospital Research Center, Rasta Peth, Pune 411011 India. sidbela@vsnl.com
Singh
Shri Prakash
SP
Kumar
Narendra
N
Banjara
Megha Raj
MR
Das
Pradeep
P
Sundar
Shyam
S
Rijal
Suman
S
Joshi
Anand
A
Kroeger
Axel
A
Varghese
Beena
B
Thakur
Chandreshwar Prasad
CP
Huda
M Mamun
MM
Mondal
Dinesh
D
D001459:Bangladesh / Q000453:epidemiology; D005240:Feasibility Studies; D006801:Humans; D015994:Incidence; D007194:India / Q000453:epidemiology; D007898:Leishmaniasis, Visceral / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control; D008403:Mass Screening; D009390:Nepal / Q000453:epidemiology
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