Ex-Of Mice & Men vocalist Austin Carlile and Trivium bassist Paolo Gregoletto recently squared off (and argued) on Twitter over their differing views on vaccination.

It all started when Carlile tweeted* the following:


*Please note: tweet has since been deleted.

The Trivium bassist responded to Carlile’s tweet with the following tweets:


Carlile soon deleted his initial tweet and went on what looked like a mini-rant (aka meltdown), tweeting:


Austin Carlile has had a busy couple of weeks!