Question

define diphtheria ....​

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.

Answer 2

Explanation:

A serious infection of the nose and throat that's easily preventable by a vaccine.

A sheet of thick, grey matter covers the back of the throat, making breathing hard.