It is obvious that human (and non-human) diseases are evolving with an unusual rapidity simply because changes in our behaviour facilitate cross-fertilization of different strains of germs as never before, while an unending flow of new medicines (and pesticides) also present infectious organisms with rigorous, changing challenges to their survival.
-William H. McNeill
Select a background
More quotes by William H. McNeill
Popular Authors
A curated listing of popular authors.