Given the scale of issues like global warming and epidemic disease, we shouldn't underestimate the importance of a can-do attitude to science rather than a can't-afford-it attitude.
This cures everything except stupidity, which is an epidemic on the rise.
War, to sane men at the present day, begins to look like an epidemic insanity, breaking out here and there like the cholera or influenza, infecting men's brains instead of their bowels.
Smallpox was the worst disease in history. It killed more people than all the wars in history.
Historical records show that smallpox was a human scourge for thousands of years. The virus produces high fever, severe back pain and scarring eruptions of flat red spots on the skin that turn into pustules and then into scabs - a two-week process during which the disease is highly contagious.
Humankind is no stranger to calamitous outbreaks of diseases.
Malaria has long been a devastating and life-threatening global epidemic disease in human history.
Malaria was one of the epidemic diseases with the most comprehensive records in traditional Chinese medical literature.
