"The Lions tour is huge and you'd almost run through a brick wall to play," the 23-year-old told The Sun.
"I'm in no pain at the moment so it looks like the jab has worked.
"I should start training again at the end of the week.
"It would be great to play alongside Jonny Wilkinson and Brian O'Driscoll in one of the warm-up games.
"I would imagine it would be an awesome experience."