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  1. November 21, 1921

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  2. November 14, 1921

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  3. Pasteur Institute scientist announces discovery of parasitic ultramicrobe foe of disease-producing bacteria

    The discovery of a parasite on bacteria, dubbed a “bacteriophage,” or bacteria-eater, could lead to cures for dysentery, typhoid fever, hemorrhagic septicemia and bubonic plague, according to an announcement from the Pasteur Institute.

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  4. November 7, 1921

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  5. October 31, 1921

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  6. October 24, 1921

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  7. October 17, 1921

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  8. October 10, 1921

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  9. October 3, 1921

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  10. September 26, 1921

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  11. September 19, 1921

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  12. Smallpox increases where laws are lax

    A Science News Bulletin report describes an increase in the prevalence of smallpox in the United States, attributing the increase at least in part to “laxity in the enforcement of vaccination laws.”

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