All pooches in the UK are inoculated against several core diseases, including distemper, infectious canine hepatitis, leptospirosis, parvovirus, and parainfluenza. Distemper attacks the lymph nodes, causing damage to the respiratory, urinary, digestive, and nervous systems, and hepatitis targets the liver, kidneys, eyes, and lining of blood vessels. Leptospirosis compromises the nervous system and organs, whilst