Table 1 Assessment of MB toxicity.

From: Methylene Blue has a potent antiviral activity against SARS-CoV-2 and H1N1 influenza virus in the absence of UV-activation in vitro

Cell line

Infection medium

Hours of treatment

CC50 (µg/ml)

MDCK

Serum-free DMEM + 0.2 µg/ml TPCK trypsin

1*

46.44

48

23.22

Vero-E6

DMEM + 5% FCS

1*

84.78

48

46.14

  1. *Cell viability was measured 48 h after treatment.
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