(CNN)Guitarist and vocalist John Mayer volition not beryllium appearing astatine the "Playing successful the Sand" festival with the set Dead & Company due to the fact that helium has tested affirmative for Covid-19, according to the band's verified Twitter account.
"Today, conscionable anterior to leaving for Mexico, per his physician, @JohnMayer tested affirmative for COVID-19 and volition beryllium incapable to execute astatine the upcoming "Playing successful the Sand" lawsuit successful Riviera Cancun," the tweet read.
CNN has reached retired to reps for Mayer for comment.
The set is made up of erstwhile Grateful Dead members Mickey Hart, Bill Kreutzmann and Bob Weir on Mayer and featuring Oteil Burbridge and Jeff Chimenti.
Their performances are scheduled to tally from Jan. 7 - 10.
"We came down present to person fun," the set tweeted Weir arsenic saying. "Unfortunately immoderate of our brothers cannot marque it but amusive is what we're going to have."
They were 1 of the groups that made headlines past summertime by announcing that vaccinations and antagonistic Covid tests would beryllium required to be their concerts.