I believe it is walking with a limp on the right side
By the time food<span> and digestive juices reach your </span>large intestine<span>, most </span>digestion<span> and nutrient absorption has already taken place. The </span>large intestine's<span> major jobs are to absorb excess water and to prepare feces -- or undigested waste material -- for removal via the rectum and anus.</span>
So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.
What is the article we need to see it to answer