Best abstracts, selected and awarded by the Scientific Program Committee.

Activated and exhausted CD8 T-cells differentiate aviremic HIV-2 infected from seronegative individuals
Lydia Scharf, Christina B Pedersen, Jakob Lopakto Lindman, Lars R Olsen, Sten Wilhelmson, Fredrik Månsson, Joakim Esbjörnsson, Antonio Biague, Patrik Medstrand, Hans Norrgren, Marianne Jansson*, Annika C Karlsson* and the SWEGUB GORE Group
*Contributed equally to this work

A long-term study of 337 hepatitis D virus (HDV) and hepatitis B virus co-infected patients: the impact of HDV viremia on liver-related outcomes
Habiba Kamal, Gabriel Westman, Karolin Falconer, Ann-Sofi Duberg, Ola Weiland, Susanna Haverinen, Rune Wejstål, Tony Carlsson, Christian Kampmann, Simon Larsson, Per Björkman, Anders Nystedt, Kristina Cardell, Stefan Svensson, Stephan Stenmark, Heiner Wedemeyer, Soo Aleman

The microbial metabolite TMAO in association with inflammation and microbial dysregulation in three HIV cohorts at various disease stages
Catharina Missailidis, Göran Bratt, Ujjwal Neogi, Peter Stenvinkel, MariusTrøseid, Piotr Nowak*, Peter Bergman*

A DNA-based immunotherapy induces receptor-blocking antibodies that can neutralize HBV in humanized mice
Panagiota Maravelia, Lars Frelin, Neetu Jagya, Lieven Verhoye, Georg Verch, Yi Ni, Gustaf Ahlén, Stephan Urban, Philip Meuleman, Matti Sällberg

Cervicovaginal inflammation is strongly modulated by cyclic changes in sex hormones and amplified by the microbiome
Frideborg Bradley*, Kenzie Birse*, Klara Hasselrot, Laura Romas, Andrea Introini, Hugo Wefer, Maike Seifert, Lars Engstrand, Annelie Tjernlund, Kristina Broliden, Adam Burgener
*Contributed equally to this work

A Longitudinal Study on the Dynamics of Plasma Neutralising Antibodies and Determinants in HIV-2 Infection
Hans Norrgren, Gülşen Özkaya Şahin, Sara Karlson, Antonio Biague, Fredrik Månsson, Marianne Jansson and Sweden-Guinea-Bissau Cohort Research Group

Sustained expression of the inhibitory receptor TIGIT is linked to CD8 T cell exhaustion despite successful ART.
Johanna Tauriainen, Noor Salam, Bo Hejdeman, Anders Sönnerborg, Hans-Gustaf Ljunggren, Frederick M Hecht, Steven G Deeks, Michael R Betts, Marcus Buggert, Annika C Karlsson.

High incidence of high grade cervical neoplasia among women with HIV in Sweden
Christina Carlander, Anders Sönnerborg1, Veronica Svedhem-Johansson, Katarina Westling, Kristina Elfgren, Pär Sparen