A Nature Research Journal. Three percent of the world's population is chronically infected with the hepatitis C virus HCV and at risk of developing liver cancer. Effective cellular immune responses epatite e Colm deemed essential for spontaneous resolution of acute hepatitis C and long-term protection. Here we describe a new T-cell HCV genetic vaccine capable of protecting chimpanzees from acute hepatitis epatite e Colm by challenge with heterologous virus. These findings show that it is epatite e Colm to elicit effective immunity against heterologous HCV strains by stimulating only the cellular arm of the immune system, and suggest a path for new immunotherapy against highly variable human pathogens like HCV, HIV or malaria, which can evade humoral responses.
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