| 21. | And rubella, polio, diphtheria, tetanus and pertussis.
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| 22. | He published many papers on the biology of diphtheria infection.
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| 23. | Gangrene, dysentery, pneumonia, diphtheria did their work.
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| 24. | _People traveling to countries where the risk of diphtheria is high.
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| 25. | In 1891, he was dead, probably of diphtheria.
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| 26. | Diphtheria epidemics have swept Russia in the past year and a half.
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| 27. | Diphtheria epidemics have swept Russia in the past two years.
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| 28. | And cases of diphtheria have increased three-fold nationwide since 1993.
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| 29. | Diphtheria cases have increased three-fold nationwide since 1993.
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| 30. | Diphtheria is characterized by weakness, high fever and difficulty to breathe.
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