My bunny had already had his vaccinations as a baby when I got him last summer. I know they're given once a year but I've read that myxomitosis is more common when the young wild rabbits are about and I often see them from April onwards. So I was thinking of getting my bunny vaccinated in March to give him a few weeks to build up more immunity. Is this a good idea or is it harmful to vaccinate a few months early? Also, I like the idea of the combined vaccine as he'll only need one needle stick so it won't upset him so much but his vaccines as a baby were done separately. Is there any problem with changing now?