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. 2007 May 31;21(9):1213-5.
doi: 10.1097/QAD.0b013e32813aee1a.

An outbreak of HIV-1 subtype G among Italian injecting drug users

Massimo Ciccozzi  1 , Stefania Montieri, Marco Salemi, Tulio De Oliveira, Maria Dorrucci, Alessandro Sinicco, Andrea De Luca, Massimo Giuliani, Claudia Balotta, Giovanni Rezza
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An outbreak of HIV-1 subtype G among Italian injecting drug users

Massimo Ciccozzi et al. AIDS. .

Abstract

We describe an outbreak of subtype G among injecting drug users (IDU) in northern Italy newly infected with HIV. We analysed pol gene sequences from samples of 139 individuals from different risk groups. Non-B subtypes were more frequently detected among IDU than in homosexual or heterosexual contacts. All G subtypes but one were found among IDU. The phylogenetic analysis indicated that the outbreak was of monophyletic origin and was caused by HIV-1 strains similar to those from western Africa.

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