Was Tchaikovsky poisoned?

Tchaikovsky was one of the first postmodern composers. His infamous "1812 Overture" pasted sound collages, cannon explosions...

Tchaikovsky died in St. Petersburg on November 6, 1893, nine days after the premiere of his Sixth Symphony, the Pathétique. His death has traditionally been attributed to cholera, contracted through drinking contaminated water several days earlier. However, some have theorized that his death was a suicide because he was outed. Homosexuality was no longer a stigma in Tsarist Russia, but was accepted at the highest levels of public life. At worst, Tchaikovsky might have gone into exile, like Oscar Wilde. The question remains by musicologists and researchers...