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Additional resources on hepatitis A virus:
A number of key sources on hepatitis A are availablereferences regarding hepatitis A virus can be found on the USDA's Pathogens and Contaminants website.
References
1http://en.wikipedia.org/wiki/Hepatitis_A
2Scallan et al. 2011.Emerging Infectious Diseases 17:7-15 PMID:21192848