![A male doctor in a hospital gives an adult man with white hair a shot in his left arm.](https://images.theconversation.com/files/615905/original/file-20240827-16-i02ua6.jpg?ixlib=rb-4.1.0&rect=0%2C0%2C7797%2C4963&q=20&auto=format&w=320&fit=clip&dpr=2&usm=12&cs=strip)
The Food and Drug Administration approved and granted emergency use authorization on Aug. 22, 2024, for the newest, updated version of the COVID-19 vaccine[1]. The Centers for Disease Control and Prevention quickly endorsed the new shot[2] to protect against severe illness.
The 2024 summer wave of COVID-19 cases[3] is a good reminder of why people need to stay up to date with their vaccines.
As the fall and winter seasons...