UGI Seminar: "Viral Phylodynamics for Global Public Health"

UGI Seminar: "Viral Phylodynamics for Global Public Health" 

Speaker:            Tetyana Vasylyeva, University of California Irvine

Date:                   Wednesday, 22 May 2024

Time:                   1200 noon (note different time than usual)

Venue:                G46 H O Schild Pharmacology LT, Medical Sciences Building

Abstract:

Migration and forced displacement are on the rise globally, particularly in areas with high HIV prevalence. HIV transmission within and between migrant and local communities can be facilitated by delayed HIV diagnosis and less viral suppression due to financial, logistical and administrative barriers in access to HIV care encountered by displaced people. Molecular epidemiology presents a new way to describe viral transmission patterns and unique challenges faced by migrant populations. For example, understanding the timing of transmission events in displaced populations can help design and direct prevention efforts. As such, socio-behavioral and molecular epidemiology methods were applied to study HIV and HCV transmission in forcibly displaced people who inject drugs (fdPWID) in Ukraine before the start of the full-scale invasion. This analysis indicated that fdPWID might be getting exposed to HIV and HCV in the first 18 months after relocation. Molecular epidemiology can also be used to investigate whether COVID-related border closures disrupted HIV transmission pathways. Analysis of HIV transmission between the US and Mexico in Tijuana region showed that cross-border HIV transmission clusters continued to grow during the period of the border closure.