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Euro Surveill. 2018 May;23(18). doi: 10.2807/1560-7917.ES.2018.23.18.18-00197.

Prolonged detection of dengue virus RNA in the semen of a man returning from Thailand to Italy, January 2018.

Author information

1
These authors contributed equally to this work.
2
National Institute for Infectious Diseases 'Lazzaro Spallanzani', IRCCS, Rome, Italy.

Abstract

This study reports the presence of dengue virus RNA in longitudinally collected semen samples of a previously healthy Caucasian man, returning to Italy from Thailand with primary dengue fever, up to 37 days post-symptom onset, when viraemia and viruria were undetectable. This finding, coupled with the evidence of dengue virus negative-strand RNA, an indirect marker of ongoing viral replication, in the cellular fraction of semen, indicates a need to further investigate possible sexual transmission.

KEYWORDS:

Flaviviridae; dengue virus; semen shedding; sexual transmission; vector-borne infections

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