Thalassemia gives protection against:: (A) Filaria, (B) Kala-azar, (C) Malaria, (D) Leptospirosis
Answer is C. c. Malaria(Ref: Nelson's 20/e p 2349', Ghai 8/e p 341)Thalassemia gives a reduced parasite invasion/growth and an increased susceptibility to phagocytosis of the infected RBC as a malaria-protective effect.