Tribune Editorial: When a vaccine is ready, we must get it

The science of vaccinating people — and animals — against infectious diseases is arguably the most important accomplishment in the history of humanity.It is more than lives saved and suffering avoided. Vaccinations provide incredibly cheap ounces of prevention that weigh far more lightly on any nation’s economy than would all the costs of not only treating diseases but also lost productivity and declines in spending.For anyone who is old enough to remember, the development and