State the factor on which severity of diseases depend and give an example in each case
Answers
Severity of disease depends primarily upon these factors.
Pathogen: Severity of disease causing factor Microorganism, virus, chemical toxin, trauma, metabolic disorder, or whatever be the disease causing factor is responsible for severity of disease. Intensity, duration of the causative agent determines the severity of disease.
Body factors: Severity of disease also depends on the age, sex, gender, weight, race, comorbid conditions (coexisting diseases), habits (smoking) etc.
Resistance: The Resistance of the human body system, immunization status. Example: A person who has been immunized against typhoid, cholera, diphtheria, pertussis, tetanus (lethal unless you have been immunized by Tetanus Toxoid Vaccination) almost never has severe disease even if the causative organism be in high quantum.
Treatment measures: How soon, whether adequate treatment measures have been given is major factor influencing severity of disease.