In 2020, a sylvatic dengue virus serotype 2 infection outbreak resulted in 59 confirmed dengue cases in Kedougou, Senegal, suggesting those strains might not require adaptation to reemerge into urban transmission cycles. Large-scale genomic surveillance and updated molecular diagnostic tools are needed to effectively prevent dengue virus infections in Senegal.
Keywords: Kedougou; Senegal; dengue; mosquito; outbreak; southeastern Senegal; sylvatic dengue virus serotype 2; vector-borne infections; viruses; zoonoses.