Question

define diphtheria ....
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Answer 1

Diphtheria is a serious infection caused by strains of bacteria called Corynebacterium diphtheriae that make a toxin (poison).

It is the toxin that can cause people to get very sick.

Diphtheria bacteria spread from person to person, usually through respiratory droplets, like from coughing or sneezing.

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Answer 2

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.