Quote:
Originally Posted by Tower
Found your source
At about six days after birth the serum concentration of specific antibodies rises sharply, and this rise continues until adult levels are achieved by approximately the end of the first year. Maternal immunity gradually disappears during the first six to eight months of life. A concentrated level of antibodies is reached and maintained by seven to eight years of age.
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Umm...I did list my source in my 2nd post (it was in the Text wrapped including a link) and I explained that it was the first link on google, but I could reference other scholarly articles or my immunology text books