activation-induced cell death. Destruction of T or B lymphocytes that would otherwise be activated by contact with self-antigens. AICD maintains immunologic tolerance; it is enhanced by interleukin-2 (IL-2) and inhibited by interleukin-15 (IL-15).
The symptoms of food poisoning usually begin within one to two days of eating contaminated food, although they may start at any point between a few hours and several weeks later.The main symptoms include: 1  feeling sick (nausea). 2  vomiting. 3  diarrhoea, which may contain blood or mucus.he symptoms of food poisoning usually begin within one to two days of eating contaminated food, although they may start at any point between a few hours and several weeks later. The main symptoms include: 1  feeling sick (nausea). 2  vomiting.
So in warm weather it doesnât take long for food to harbor enough bacteria to make you really sick. How Quickly Does Food Poisoning Start and How Long Does it Last? Food poisoning symptoms can begin as quickly as four hours or as long as 24 hours after eating contaminated food. People who eat the same contaminated food, say at a picnic or barbecue, will usually get sick about the same time. Symptoms can last three to four days or longer if you unknowingly continue to eat contaminated food. How Do You Treat Food Poisoning?