Tag: Bordet and Gengou
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Bordetella
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HISTORY: In 1900 Bordet described a Gram-negative bacilli such as whooping cough agent. In 1906 Bordet and Gengou have managed to grow the bacillus on an agar medium containing peptone potato and mixed with blood. Pertussis has long been a major cause of infant mortality. Vaccination has helped to disappear France this killer.Nevertheless epidemics could…
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Whooping Cough
* Bordetella pertussis (Bordet and Gengou bacillus) Gram-negative bacilli cultivable aerobic. Contamination is air (infectiousness continues after 3 weeks of the catarrhal phase). The bacteria are multiple on the ciliated respiratory epithelium and secretes several toxins. Pertussis is a poisoning. * The invasion period (or catarrhal) lasts 7 to 15 days. Intractable cough gradually becomes…
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