• Insecurity often hinders active case-finding activities since mobile teams are often restricted in their travel.
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• Populations often move, hampering treatment provision and post-treatment monitoring and follow-up.
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• Population movements can also trigger new foci or reactivate old ones.
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• Community awareness and support are important factors for effective screening and treatment. Population displacement due to insecurity can rupture community networks.
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• Direct attacks of treatment centres or transport trucks can lead to programme interruption or cessation, withdrawal of supporting international NGOs and key national staff, or disruption of logistic support.
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• Difficult diagnosis, complex treatment, and long follow-up are especially challenging in conflict situations, because of the high technical skills and continuity of service required.
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