“Typhoid fever was no less frightening and caused at least as much distress. The great French microbiologist Louis Pasteur understood pathogens better than anyone of his day but still lost three of his five children to typhoid fever. Bryson, Bill. The Body (p. 325). Knopf Doubleday Publishing Group. Kindle Edition. Bryson, Bill. The Body (p. 325). Knopf Doubleday Publishing Group. Kindle Edition. ”