How Switzerland Rid Themselves of Rabies
FotoRequest/stock.adobe.com / Britannica, Tiny Fox Lab

In Switzerland, rabies was virtually eliminated after scientists placed chicken heads laced with the live attenuated vaccine in the Alps, which the foxes (the main carriers of the virus) ate and therefore immunized themselves.Tiny Fox Lab Facts

Preview photo credit: FotoRequest/stock.adobe.com / Britannica
Source: en.wikipedia.org/wiki/R…