A significant proportion of recent HIV-1 seroconverters harbour X4 viruses (17.2%), without any evidence of association between co-receptor usage, transmission of drug-resistant viruses and HIV subtype.
Our study emphasizes the need to develop health policies that can cope with the foreseeable increases in the problems associated with HCV infection in the near future.
The prevalence of drug resistance mutations was 12.1% among 198 persons who experienced human immunodeficiency virus (HIV) seroconversion identified in Spain during 1997-2004. There was a significant increase of K103N and of non-B subtypes over time. Transmission of HIV infection around the time of seroconversion was shown in 8 couples and in 2 clusters of 3 individuals.
The rate of drug resistance in recent HIV-1 seroconverters inversely correlates with the proportion of chronically HIV-1-infected individuals who have undetectable virus loads in the same region, which indirectly reflects antiretroviral treatment rules at any given time.
We report a case of urinary tract infection caused by an unusual genotype (sequence type 211) of Pasteurella multocida associated with human infection. Molecular genetic analysis of P. multocida isolates obtained from the human patient and his pet strongly suggests a zoonotic transmission of this bacterium.
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