I have an extensive section on our web site about vaccinosis. Over vaccinating a dog causes far more health and temperament problems than the vaccinations were suppose to fix.

• 在我的网站上有大量关于疫苗的内容。过量的接种疫苗会引起许多的健康和性格问题，这些远超过疫苗所能提供的帮助。