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Volume 13, Number 3—March 2007

Synopsis

Human and Animal Vaccination Delivery to Remote Nomadic Families, Chad

Esther Schelling*1Comments to Author , Mahamat Bechir†, Mahamat Abdoulaye Ahmed†, Kaspar Wyss*, Thomas F. Randolph‡, and Jakob Zinsstag*
Author affiliations: *Swiss Tropical Institute, Basel, Switzerland; †Centre de Support en Santé Internationale-Institut Tropical Suisse, N’Djaména, Chad; ‡International Livestock Research Institute, Nairobi, Kenya;

Main Article

Table 1

Overview of 14 vaccination campaigns among mobile pastoralists in 4 zones of Chari-Baguirmi and Kanem Prefectures, Chad*

ZoneCampaign no.Beginning–end of campaignNo. vaccination daysVaccination contacts% Dropout
Children and womenLivestockChildrenWomen
Gredaya†1Jul 7, 2000–Feb 11, 20014611,73131,721‡5621
Chaddra†2Jan 6–Apr 21, 2001261,9612,182687
Gredaya†3Jun 21–Nov 11, 2001373,85522,760
AmDobak†4Aug 3–Dec 5, 2001343,07905942
Gredaya§5Apr 2–Jul 1, 2003465,59516,1384519
Dourbali§6Mar 8–Jun 7, 2003476,7158877241
Chaddra7Sep 27, 2003–Jan 3, 2004433,031215
AmDobak8Oct 19–Dec 6, 2003293,049¶0
Gredaya§9Mar 5–Jul 5, 2004546,52224,5146833
Dourbali§10Apr 29–Jul 25, 2004543,3705,1048957
Gredaya11Jan 10–Mar 30, 2005423,88313,217
Dourbali12May 18–Aug 17, 2005413,47732,517
AmDobak13Oct 23–Dec 7, 2005212,705¶0
Chaddra14Oct 16, 2005–Jan 9, 2006311,8860

*Dropout rates were calculated for the first campaign in each zone (vaccination in a naive population) and for 2003 and 2004 after omission of persons with previous vaccinations and not considering those entering the campaign during the second and third rounds. –, not applicable.
†Costing study.
‡Two rounds with veterinarians.
§Estimation of achieved vaccination coverage during campaign.
¶Only 2 human vaccination rounds carried out.

Main Article

1Current affiliation: International Livestock Research Institute, Nairobi, Kenya

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