<style face="normal" font="default" size="100%">Progress towards eliminating onchocerciasis in the WHO Region of the Americas: verification by WHO of elimination of transmission in Colombia.</style>

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0<style face="normal" font="default" size="100%">Progress towards eliminating onchocerciasis in the WHO Region of the Americas: verification by WHO of elimination of transmission in Colombia.</style><style face="normal" font="default" size="100%">Progress towards eliminating onchocerciasis in the WHO Region of the Americas: verification by WHO of elimination of transmission in Colombia.</style>