The Imperative to Vaccinate

Human beings are almost certainly the most diseased species on earth. By one accounting, there are at least 1400 human pathogens, including bacteria, fungi, prions, protozoa, viruses, and worms, and of these, 100-150 appear capable of causing human epidemics.1Taylor L.H. Latham S.M. Woolhouse M.E. Risk factors for human disease emergence.Philos Trans R Soc Lond B Biol Sci. 2001; 356: 983-989Crossref PubMed Scopus (1791) Google Scholar,...