
Etiology: Pertussis is caused by Bordetella Pertussis the bacteria invades the nose and throat an d then the trachea followed by the bronchial tubes of the lungs. People usually contract the bacteria by the air when an infect person coughs or sneezes. Then state inhale or come in contact with the infected saliva. People who have been immunized in the past whitethorn still develop infection but it is usually arcsecond or very mild that is another cause of whooping cough. The incuba...If you outrage to get a full essay, order it on our website: BestEssayCheap.com
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