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Vitamin B12 and folate deficiency is a well-known health problem. Deficiencies of folic acid and vitamin B12 are known to cause megaloblastic anaemia, which is characterised by presence of abnormally large erythrocyte precursor cells, megaloblasts, in the bone marrow and macrocytic red cells in...

Background: It is approximated that about 50% of malaria infections are asymptomatic in areas where malaria is endemic. In these areas, transmission is intense and consistent over time. As a result, most adults who live in these endemic areas possess partial immunity to malaria due to recurrent...