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sustantivo
230. The breakdown of the immunization system in the period between 1991 and 1993 has led to the re—emergence of previously eradicated diseases (diphtheria, whooping cough, tetanus, rabies).
230. Разрушение в 1991-1993 годах системы иммунизации привело к возникновению очагов ранее практически искорененных в стране заболеваний (дифтерия, коклюш, тетанус, бешенство).
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