Lecanemab's apparent effectiveness follows years of disillusionment with earlier, comparable medications that were meant to delay or stop the course of Alzheimer's disease. It contains monoclonal antibodies that were created in laboratories with the goal of purging the brain of a material called as beta-amyloid, exactly like a lot of those other medicines. People with Alzheimer's disease tend to have an accumulation of beta-amyloid in their brains, which leads to the development of the sticky plaques that have come to be associated with the condition. As a result of this, the objective of his research paper is to investigate background information about the drug lecanemab. In addition to this, the study offers information regarding the approval procedure for lecanemab, the drug's mode of action, and, lastly, the most recent discoveries.

On March 11, 2020, the World Health Organization declared COVID-19 a global pandemic, and its effects are still prevalent today. Due to the COVID-19 pandemic’s controversial origins and swift global dissemination, strict safeguards were put in place by governments around the world to contain instances and slow the virus' rate of spread. While the competition for limited resources overtook global trade and collaboration, tactics fractured the fundamental supporting pillars of the contemporary world’s macroeconomics and micro economics. Serious economic repercussions resulted from the COVID-19 pandemic outbreak all around the world and no nation was spared. In addition to the devastating impact on the economy, negative aftermaths were imposed upon society as a whole which drastically altered how businesses, markets, firms, and customers operated.