INTRODUCTION Unlike most high-income countries where subtype B viruses predominate, the Cuban HIV-1 epidemic is characterized by a great diversity of subtypes and circulating recombinant forms. Some studies have shown that HIV variants exhibiting preference for CXCR4 co-receptor (X4-tropic) could impacts on disease pathogenesis, with clinical implications antiviral treatment plans. Determinatio...

in the latest articles which were published during 2013-2014, trichomonas vaginalis ( t. vaginalis ) was mentioned as a neglected sexual transmission disease (std), while the exact mechanism of its pathogenesis has not been cleared yet. although trichomonasiasis is easy curable, there is concern that resistance to drug are increasing. this common infection as concerning the important public hea...