Question: is jadzia dax really dead?
Answer: Death. Jadzia is murdered in "Tears of the Prophets", the finale of the sixth season. ... Though the host Jadzia is dead, the symbiont Dax survives and is implanted in a Trill named Ezri Tigan. The resulting joined Trill, Ezri Dax, becomes a main character during the seventh and last season of the series.