The inability to distinguish between self cells and non-self cells may lead to
Hypersensitivity
Immunodeficiency
Autoimmune disease
Allergy
Blood cells involved in inflammatory reactions are
Tse-tse fly is a vector for sleeping sickness which transmits the infective stage of which of the following parasite
Period from the entrance of pathogens into the body and their multiplication to show initial symptoms of disease is known as
Resistance against pathogens is due to
Which of the following causes malaria