It’s important to understand that no vaccine is 100% effective all the time. Factors that can affect immune response in a puppy include his health and the level of maternal antibodies still circulating in his system. If a puppy is exposed to a virus shortly before or approximately the same time a vaccination is given, the vaccine is likely to fail.
This occurs for any number of reasons. Some puppies simply don’t have adequate immune function. Stress, poor nutrition and other factors can interfere with immunity for short periods of time as well.
Puppies are born with some degree of natural immunity to disease which some degree of natural immunity to disease which they received form the rich colostral milk their mother produces the two or three days of a pup’s life.
The Colostrum contains antibodies to disease, which provides the pups with limited protection during the first weeks of life called passive immunity or sometimes maternal immunity.
This protection gradually decrease and may diminish by as much as 78% by the time a pup is 2 weeks old. Most puppies complete loss passive immunity by the time they’re 14 to 15 weeks old.
Do you have anything about puppies vaccination story to share? Any comments is welcome.
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