biography
| sex:
| male
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| lived:
| (1874–1929)
|
| biography:
| Epidemiologist and medical researcher, born in Giralt, Hungary. He went to the USA as a child. After taking his MD at New York City's Bellevue Hospital Medical College (1895), he joined the Public Health Service (1899). He investigated the mechanisms of spread of measles, typhus, typhoid, yellow fever, and other infectious diseases. Most notably, he demonstrated that pellagra, then common in the South, was caused by a vitamin B deficiency. |
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