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Similar content being viewed by others 1 Introduction With the emergence of the SARS-CoV-2 pandemic in December 2019 in the Wuhan province of China as its epicenter, it brought a wave of morbidity and mortality worldwide, spreading rapidly to more than 190 nations infecting over 180 million people 1,2,3,4,5
Maturation of red blood cells from the immature megaloblasts produced in bone marrow is dependent on Vitamin B12, which is a precursor for co-enzyme B12 involved in important enzyme reactions in the production of components of folic acid, which in turn is essential for DNA synthesis
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Having a lack of intrinsic factor (IF) , a substance that binds to B12 so it can be absorbed into the bloodstream (5)
