An outbreak of measles in the Bendigo area has forced Groovin The Moo to deny access to those who have not been vaccinated.

The news comes after audiences at the Avengers: End Game screening in the States were infected with the measles.

Festival spokesperson Jake Bacardi said “We want everyone to take home memories of a great day, not chicken pox that’s been mistaken for pash rash.”

The festival will however offer free shots at the gate with their ‘No jab, no festival’ policy. The needles will also contain Redbull.