Injections of antitoxin or toxoid serum is given to prevent
Diphtheria
Small pox
Chicken pox
Chronic headache
Sickle cell aneamia is more common in South Africa. This is due to
Schizont is a stage in the life history of malaria parasite occurring in
All the diseases are spread by housefly except
In cancer, .................. uses strong magnetic fields and non-ionizing radiations to accurately detect pathological and physiological changes in the living tissue.
Immunodeficiency makes a person highly susceptible to infection. It is caused by