According to Ian's Instagram page, on August 4th, 2021, he got a dose of the COVID Vaccine, with the caption:
Moment of pure joy!Alive or SUS.
According to an article published by The Sun, he had been hospitalized for almost two months before his condition worsened on 12/21/2021.
"He initially sought medical attention because of an infection in his throat which later spread to his stomach and lungs."
His death was announced below on 12/21/21.