Antiretroviral medication lamivudine (IMAGE) Center for Genomic Regulation Caption Antiretroviral medication lamivudine pictured at the IrsiCaixa AIDS research institute in Barcelona Credit IrsiCaixa Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.