African sleeping sickness or Gambiense fever is caused by
Entamoeba
Trypanosoma
Leishmania
Trichomonas
The antigen-binding site are present where on the antibody molecule
A scientist associated with ‘antibiotic' is
When a person dies after stung by bee followed by the administration of penicillin, death may be due to
Polio immunizing vaccine was developed by
Hypersensitivity to an allergen is due to