Hookworm.

Sanitary Commission.

Pellagra.

Symptoms, Treatment.

Tularemia.

Francis.

In a landmark article in the Journal of the American Medical Association in 1925, Edward Francis, a surgeon with the United States Public Health Service, synthesized various reports and presented evidence that all were caused by one organism, Bacterium tularense, which grew in the blood of infected rodents. Infection could occur through a skin lesion when hunters or butchers handled contaminated meat or when a tick or deer fly which had bitten an infected animal bit a human. Although Edward Francis was not the first to describe symptoms, he was the first to synthesize reports and present data to show how the disease was transmitted. He also named it tularemia. Symptoms, Treatment. Symptoms of the disease included chills, fever, headache, body pains, vomiting, tender and enlarged lymph glands, prostration, and a punched-out circular sore about one-fourth inch...