Chapter 14

Hepatitis B

Maria Rosangela Cunha Duarte Coelho, Viviane Martha Santos de Morais, Ana Cecília Cavalcanti de Albuquerque and Georgea Gertrudes de Oliveira Mendes Cahu

Abstract

The hepatitis B virus is a hepatotropic agent belongs to the hepadnaviridae family. He is responsible for 350 million infections worldwide and is estimated two billion people have been infected. However, after implementation of universal HBV vaccination in infants occurred to decrease prevalence in many parts of the world. Their transmission occurs by cuts in skin and mucosa, unprotected sex and parenterally, sharing needles and syringes, tattoos, piercings, dental or surgical procedures.

Total Pages: 347-358 (12)

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