Social & Preventive Medicine Which of the following is not true regarding Pathogenesis of a disease? A Screening is of no use in changing course of disease. B Teiary prevention is possible. C Entry of organism occurs. D Includes subclinical cases. 💡 Explanation Which of the following is not true regarding Pathogenesis of a disease? ✓ Correct Answer: A. Screening is of no use in changing course of disease.