In today's society, vaccinations are a very important part of our regular health routine. We start vaccinating the baby when he is just two months old and he will continue to receive vaccinations throughout his life (Maldonado, 2002). The vaccinations we currently administer are not perfect. They were developed mainly by using luck, but we have had excellent success rates with them. There is still room for improvement. As normal as this part of our lives may seem, there are still many questions scientists have about the independent context in which they work and how to refine vaccinations so that they are one hundred percent effective. In the May 2011 issue of the Scientific American Journal, Alan Aderem discussed the findings of the devastating failure to eradicate the HIV virus. Not all diseases can be prevented and we still don't know why. It goes on to explore what necessary information researchers should discover to refine vaccinations, such as learning which immunological responses interact to protect us from disease. Now researchers have access to tools that will help make these discoveries possible. Then the story of two successful vaccinations starting with Edward Jenner's original smallpox vaccination and yellow fever vaccination is given. Next, he explains how researchers attempted to discover the appropriate immune response by studying monkeys infected with similar forms of disease. The Merck vaccine for the HIV virus was an unexplained failure in 2007. It tried to activate killer T cells but, when studied, the results showed that none of the expected beneficial results were observed and many adverse effects were contracted. The article ends with the idea that... middle of paper... the vaccine is perfect. When that day comes, we will have to decide how to distribute the vaccine. Would we make it a luxury reserved only for developed nations or would we try to make it available to people all over the world? You need to weigh the pros and cons of both situations. Until then, researchers will have to focus on how to invent such a vaccine. Whether it's an effective version of the HIV vaccine or simply a lifelong immune flu vaccine, we need to have a better idea of ​​how our body uses its immune system to fend off unwanted invaders so we can learn how help him by becoming more efficient in his work. This doesn't mean we need to invent a vaccine for every virus we might encounter, but rather we need to know how to produce these vaccines in case biological warfare ever occurs..