In other words, the vaccine mimics a true infection so that the immune system can better protect the body in the future. Once vaccinated, the animal's immune system is then primed or prepared to react to future infection with that microorganism. Vaccines work by stimulating the body's immune system to recognize and fight a particular microorganism such as a virus, bacteria, or other infectious organisms.
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The vaccine stimulates the immune system to learn how to fight the microorganism so that if the microorganism is encountered in the future, the dog will either not get sick or will have a less severe illness. What is a vaccine?Ī vaccine is a preparation of either killed or altered microorganisms that is administered into the body. In all cases, decisions regarding the vaccine types and vaccine schedules that are best for each dog require professional advice. Veterinarians routinely recommend certain vaccines for all dogs (called core vaccines), while others (called non-core vaccines) are used more selectively according to the dog’s environment and lifestyle. Improvements are continuously being made in vaccine safety and effectiveness. Recent advances in veterinary medical science have resulted in an increase in vaccines available for dogs.
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