In addition to individual or clusters of cases of human infections with arboviruses, the past 15 years has seen the emergence of newly recognized arboviruses and the re-emergence of others. Mentioned in this brief summary are Bourbon, Cache Valley, chikungunya, Heartland, Itaqui, Mayaro, Oropouche, Powassan, and Zika viruses, the latter being a remarkable occurrence.
Keywords: Arbovirus; Bourbon; Cache Valley; Chikungunya; Emerging; Heartland; Iquitos; Mayaro; Powassan; The Americas; Zika; Zoonoses.