The main objective of this prospective observational cohort study is to investigate the epidemiology, the risk factors and ultimately the incidence of novel HIV infections among individuals at high risk for acquiring HIV via sex practices.
High risk for acquiring HIV defined as followed: HIV-negative MSM and transgender individuals who (i) do not use condoms consistently with casual partners and/or with HIV-positive partners who are not on treatment and/or (ii) recently acquired an STI and/or (iii) recently used PEP and/or (iv) frequently engage in 'chemsex'.
Age >18 years and <100 years.
Written informed consent for this registry study.
None
Patients presenting at the HIV- and/or STI ward of the Department of Dermatology at General Hospital of Vienna which are characterized as individuals at high risk for acquiring HIV will be considered as potential participants for the HIVEX registry.
Cohort
Prospective
Not listed
Incidence of HIV
Time from inclusion to HIV infection
Incidence of sexually transmitted infections
Time from inclusion to any sexually transmitted infections
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