Most human beings get vaccinated against deadly diseases. It’s taken a lot of scientific research, trial, and error to find what works with our bodies to make sure we don’t fall victim to these diseases. Even our pets get vaccinated from things like rabies and distemper. With the looming beetle infestation of our trees some researchers are contemplating the idea of shots for trees: UC Riverside‚Äôs Akif Eskalen pointed to a pattern of small holes in the bark of a…