how long does blood stay infectious on surfaces
Hepatitis C virus (HCV) in dried droplets of blood or plasma can remain infectious on uncovered surfaces at temperatures of 4Â° or 22Â° C (39Â° or 72Â° F) for up to 6 weeks, resulting in potential for transmission in healthcare settings or during injection drug preparation, researchers reported in the November 23, 2013, advance edition of the Journal of Infectious Diseases.