CDC / SCIENCE PHOTO LIBRARY CDC / SCIENCE PHOTO LIBRARY
Antiretroviral drug resistance testing. Lab worker performing antiretroviral drug resistance testing on patient specimens using the Siemens Trugene System, which uses proprietary CLIP sequencing chemistry, in order to sequence HIV (human immunodeficiency virus), HBV (hepatitis B virus) and HCV (hepatitis C virus) DNA (deoxyribonucleic acid). Photographed at the National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (NCHHSTP), USA.
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