Abstract
The outbreak of Zika virus (ZIKV) in Brazil and in many countries was marked by the occurrences of fetal malformations and neurological effects upon infection of pregnant women. Like other members of the Flaviviridae family, ZIKV in semen is infectious and sexually transmitted. Viral persistence in the male genital tract is unresolved and still needs further understanding. A regular semen donor was followed from the acute phase of ZIKV infection, up to 8 months after ZIKV in his body fluids became undetected. Immunofluorescence assay was performed in semen samples before and after the infection. A significant decrease in sperm concentration and in the percentage of progressive motility of sperm was observed. The methodology adopted for clearance of sexually transmitted viruses decreased virus load, but the complete clearance of ZIKV from semen was not achieved.
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