What is E. coli infection?
What is E. coli infection? E. coli bacteria are normally present in the intestines of healthy humans and animals. Many types of E. coli are not harmful or cause diarrhea at most for a...
Category: diphtheria
What is diphtheria? Symptoms, prevention and more
Before its treatment was discovered, diphtheria was widespread and was more common among fifteen-year-olds. Although the diphtheria vaccination program has reduced the incidence of diphtheria, it can still seriously affect people.