what is vaccination ?
A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins.more
Cattle vaccination against TB is currently prohibited under EU legislation. Currently, the only vaccine candidate for use in cattle is BCG which interferes with the mandatory tuberculin skin test.
Badgers have been vaccinated for many years and much research has been carried out. When more than a third of the badgers social group has been vaccinated the risk to unvaccinated cubs was reduced by 79%