IMMUNOLOGY

Detailed explanation-1: -Diphtheria is caused by the bacterium Corynebacterium diphtheriae . The bacterium usually multiplies on or near the surface of the throat or skin.

Detailed explanation-2: -Diphtheria is a serious communicable bacterial disease that causes severe inflammation of the nose, throat and windpipe (trachea). It is caused by the bacterium Corynebacterium diphtheriae. The bacteria produce toxins that cause an abnormal membrane to grow in the throat, which can lead to suffocation.

Detailed explanation-3: -Symptoms of diphtheria Symptoms usually start 2 to 5 days after becoming infected. Symptoms of diphtheria include: a thick grey-white coating that may cover the back of your throat, nose and tongue. a high temperature (fever)

Detailed explanation-4: -The bacteria most commonly infect your nose and throat. The throat infection causes a gray to black, tough, fiber-like covering, which can block your airways. In some cases, diphtheria infects your skin first and causes skin lesions. Once you are infected, the bacteria make dangerous substances called toxins.

Detailed explanation-5: -A membrane typically develops on one or both tonsils, with extension to the tonsillar pillars, uvula, soft palate, oropharynx, and nasopharynx. C. diphtheriae multiplies on the surface of the mucous membrane, resulting in the formation of the “pseudomembrane” [7].