Hepatitis B virus detected in paper currencies in a densely populated city of India: A plausible source of horizontal transmission?

Figure 7 Atomic force microscopy images of hepatitis B virus-deoxyribonucleic acid negative sample, S12 after immunoprecipitation and Triton X treatment. A: Clear field with no previously observed globular structures. Triton X treatment led to the disruption of clumps seen in Figure 5A and was removed during the washing steps; B: Magnified view of the encircled area in Figure 7A, which shows no hepatitis B virus-like particles even at higher magnification.