>In California, where many people did stop annual vaccination of dogs due >to concerns about possible side effects, the incidence of parvovirus >increased dramatically, resulting in the deaths of a lot of dogs. The Parvo vaccinations only appear to be good for 6 months anyway so the above doesn't mean much, for 40 years I only vaccinated my dogs every 5 years so why do I have to do it annually now. Chris. PS less than two years ago I had to have a dog pts. due to Parvo within 9 months of it having had its shots, not a good advert for the effectiveness of vaccinations. The Wessex Ferret Club www.wessexferretclub.co.uk [Posted in FML issue 4100]