From the article: "It’s intended to work by training the immune system to go after certain senescent cells, aging cells that no longer divide to make more of th

From the article: "It’s intended to work by training the immune system to go after certain senescent cells, aging cells that no longer divide to make more of themselves, but instead stick around in the body. These cells aren’t necessarily harmful, and *some play a vital role in healing and other life functions*." Emphasis mine. It sounds like there could be major side-effects from this vaccine, possibly undetectable in mice. It would still be interesting to see how this progresses though.