Figure 1From: Evaluation of elevated alanine aminotransferase and hepatitis B virus DNA in healthy seronegative blood donorslegend: This figure shows the breakdown of 200 randomly selected seronegative healthy blood donors with markedly elevated, minimally elevated and normal ALT levels. Hepatitis B deoxyribonucleic acid by RT-PCR was performed in all donors. None of the donors tested positive showing no correlation with elevated ALT and occult hepatitis B infection.Back to article page