The 50 % inhibitory concentration (IC

) against 10

TCID

of SARS-CoV-2 was found to be 0.22 and 0.33 μg/mL with the addition of MB and Radachlorin, respectively, to cells concomitantly with virus, whereas in the case of applying the photosensitizers at 3.5 h post infection, the IC

was 0.6 and 2.0 μg/mL for MB and Radachlorin, r…[Read more]