Answer:
b. Diptheria
Step-by-step explanation:
Diphtheria (or croup) is an infectious, contagious respiratory disease caused by the bacillus Corynebacterium diphtheriae that settles in the tonsils, pharynx, larynx, nose, and in some cases mucous membranes and skin. The disease is more prevalent in childhood. It usually manifests after colds and flu in children who have not been immunized. However, it can also affect adults who have not been vaccinated.
The most common symptoms of this disease are sore throat, high fever. grayish fibrous membrane that appears in the throat, severe damage to the kidneys or heart.