"If you have tickets to a venue that requires a PCR test and do not want to take one, please email help@russellbrand.com and we will swap your tickets for venues that have no requirements for entry."
The post has attracted a wave of backlash, with many dubbing Brand "irresponsible" for touting ways to avoid measures to stop the spread of Covid in the UK, which recorded a seven-day average of more than 31,000 daily cases this week.
"I'm going to unfollow now. It's feeling like RB is getting a cult leader complex. Encouraging pandemic anti-vaxxers is a line in the sand for me," one user wrote.
Another echoed the sentiment, writing: "This is such a joke. You were already teetering on the edge of irrelevancy. I just hope for you and your lawyers sake that nobody dies as a result of this tour."
"This is a weird position to take. Pretty irresponsible not to encourage at least testing before large gatherings," another comment read among thousands.
Worryingly, Brand's post also attracted a swarm of supporters who dubbed him "Jesus" and "the voice of reason".
"Well done Russell, someone with some sense is appreciated," one diehard fan wrote.
"Thank you for being a supporter of freedom and personal choice!,' another added. "So happy that someone amazing like you exist [sic] in this life," a third said.
The stand-up comedian, who was formerly married to US pop star Katy Perry, began his tour in August, with dates running through until early December.
Brand was in Australia for a tour during the early stages of the global pandemic, where he was forced to cancel his Perth show after a positive case emerged in the local community in early March, 2020.
At the time, he said: "We have to SADLY CANCEL TONIGHT'S SHOW IN #PERTH because there has been a CONFIRMED CASE OF CORONAVIRUS in someone who attended a recent show and I am not happy with risk for me or for any of you."
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