Milan Markovic/Getty Images(NEW YORK) -- COVID-19 booster shots are now authorized for anyone over the age of 18. For anyone hoping to get a COVID-19 booster dose before the Thanksgiving holiday, experts say it's important to understand that protection doesn't kick in right away. Although the body starts to increase antibodies within a few days after the shot, it takes two weeks for peak protection to return. "There is a meaningful increase in antibody titers by one week and peak responses at 2 weeks following mRNA boosting," said Dr. Dan Barouch, director of the Center for...