The prevalence of HBV carriers varies from 0.1-2 % in low prevalence areas (United States and Canada, Western Europe, Australia and New Zealand), to 3 to 5 percent in intermediate prevalence areas (Mediterranean countries, Japan, Central Asia, Middle East, and Latin and South America), to 10 to 20 percent in high prevalence areas (southeast Asia, China, sub-Saharan Africa).
(About the author: Dr K K Aggarwal is Padmashri and Dr B C Roy National Awardee, President Heart Care Foundation of India, Dean Board of Medical Education Moolchand Medcity, Sr Physician & Cardiologist, Visiting professor Clinical Research DIPSAR, Past President Delhi Medical Association, Past Academic and Research Wing Head IMA, Chairman Ethics Committee Delhi Medical Council. )
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