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Vitamin A Deficiency

  1. Alfred Sommer

Published Online: 19 APR 2001

DOI: 10.1038/npg.els.0002106



How to Cite

Sommer, A. 2001. Vitamin A Deficiency. eLS. .

Author Information

  1. Johns Hopkins University, Baltimore, Maryland, USA

Publication History

  1. Published Online: 19 APR 2001


Vitamin A deficiency is common among children in developing countries, and is responsible for one to two million deaths and half a million new cases of blindness every year. Improving vitamin A status can dramatically improve child health, vision and survival.


  • nutrition;
  • blindness;
  • xerophthalmia;
  • vitamin A;
  • child survival