Question

define diphtheria ....
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Answer 1

Answer:

an acute and highly contagious bacterial disease causing inflammation of the mucous membranes, formation of a false membrane in the throat which hinders breathing and swallowing, and potentially fatal heart and nerve damage by a bacterial toxin in the blood. It is now rare in developed countries owing to immunization.

Explanation:

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Answer 2

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Diphtheria is an infection caused by the bacterium Corynebacterium diphtheriae.Signs and symptoms may vary from mild to severe.They usually start two to five days after exposure. Symptoms often come on fairly gradually, beginning with a sore throat and fever.In severe cases, a grey or white patch develops in the throat. This can block the airway and create a barking cough as in croup.

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