Everyone wants to strengthen their immune system so that they can ward off diseases, or fight them, effectively. In the ongoing pandemic, the one question that many people have asked is about the efficacy of the COVID-19 vaccine, and if one actually needs it. While it is fair to consider these concerns, it is important to understand them in the context of how the immune system works. It is true that natural infection causes better immunity than vaccines. The difference, however, between vaccination and natural infection is the price paid for immunity.

Source: Indian Express February 11, 2021 04:30 UTC