Sexual Transmission of Arboviruses: A Systematic Review
2020
Bradley J. Blitvich | Tereza Magalhaes | S. Viridiana Laredo-Tiscareño | Brian D. Foy
Arthropod-borne viruses (arboviruses) are primarily maintained in nature in transmission cycles between hematophagous arthropods and vertebrate hosts, but an increasing number of arboviruses have been isolated from or indirectly detected in the urogenital tract and sexual secretions of their vertebrate hosts, indicating that further investigation on the possibility of sexual transmission of these viruses is warranted. The most widely recognized sexually-transmitted arbovirus is Zika virus but other arboviruses, including Crimean-Congo hemorrhagic fever virus and dengue virus, might also be transmitted, albeit occasionally, by this route. This review summarizes our current understanding on the ability of arboviruses to be sexually transmitted. We discuss the sexual transmission of arboviruses between humans and between vertebrate animals, but not arthropod vectors. Every taxonomic group known to contain arboviruses (<i>Asfarviridae</i>, <i>Bunyavirales</i>, <i>Flaviviridae</i>, <i>Orthomyxoviridae</i>, <i>Reoviridae</i>, <i>Rhabdoviridae</i> and <i>Togaviridae</i>) is covered.
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