The correct option is
A Diphtheria, leprosy, plague
Diphtheria is a serious bacterial infection usually affecting the mucous membranes of your nose and throat. Diphtheria is caused by the
Corynebacterium diphtheriae bacterium. Leprosy also known as Hansen's disease, is a chronic infection caused by the bacteria
Mycobacterium leprae and
Mycobacterium lepromatosis. Plague is a bacterial disease, caused by
Yersinia pestis, which primarily affects wild rodents. It is spread from one rodent to another by fleas. Malaria is a mosquito-borne infectious disease of humans and other animals caused by parasitic protozoans. Tetanus (lockjaw) is an infectious disease caused by the bacteria
Clostridium tetani. Tuberculosis, or TB, is an infectious bacterial disease caused by
Mycobacterium tuberculosis, which most commonly affects the lungs. Measles also known as rubeola is a highly contagious infection caused by the measles virus. Mumps is a highly contagious infection spread by a paramyxovirus. Poliomyelitis often called polio or infantile paralysis, is an infectious disease caused by the poliovirus.
Therefore, the correct answer is option A.