blood cells: Buddy Creech, an infectious disease specialist at Vanderbilt University, according to CTV. He had no role in the work, published Tuesday in the New England Journal of Medicine. Infection with this coronavirus does not necessarily generate lifetime immunity, but antibodies are only part of the story, said Dr. The immune system remembers how to make fresh antibodies if needed and other parts of it also can mount an attack, he said. The earliest ones are fairly crude but as infection goes on, the immune system becomes trained to focus its attack and to make more precise antibodies. Newsletter sign-up Get The COVID-19 Brief sent to your inbox Antibodies are proteins that white blood cells called B cells make to bind to the virus and help eliminate it. (www.immigrantscanada.com). As reported in the news.