https://forum-en.gw2archive.eu/forum/pvp/pvp/Poison-doesn-t-work-at-all
Just to ensure this catches some attention; poison is not reducing heals in PvP, this is untested currently in PvE.
Several players, including myself, have tested to see if poison is indeed reducing the amount healed by 33%. According to these tests, all of which ensured that conditions were not removed prior to healing by any means, and that poison duration lasted through the heal, show that poison is NOT reducing healing in PvP.
Is this intended?