what is dappl4 vaccine
DHPP is a combination vaccine for distemper, hepatitis, pavovirus and parainfluenza. Canine distemper is a virus that affects a dog's respiratory, gastrointestinal and central nervous system.There is no cure.Canine hepatitis attacks the liver, eyes and kidneys. Death can occur.HPP. DHPP is a combination vaccine for distemper, hepatitis, pavovirus and parainfluenza. Canine distemper is a virus that affects a dog's respiratory, gastrointestinal and central nervous system. There is no cure.