The immunization starts as early as 5 to 7 weeks of age, for puppies and cats. It is directed against serious bacterial and viral diseases. Immunization schedules primary and multiple booster shots during the first year. Annual immunization is recommended from the date of the last booster for the respective vaccines. It should be noted that the immunization schedules might be customized depending on the age of the animal at the first visit and or epidemiological necessities pertaining to the region! Annual vaccination becomes mandatory in order to sustain the right levels of immunity against the diseases of interest.