Investor Presentaiton

I. Carragelose® neutralizes SARS-CoV-2 New Data published on July 16th, 2020 Determination of IC50 Neutralization of SARS-COV-2 pseudotyped virus % infection control 100 90 80 70- 60- 50 40- 30- 20 10 0 luciferase units 35 30 25 20 15 110 10 сл I..I 1 0 1 10 100 neg. μg/ml iota carrageenan control pos. lota- control carrageenan serum pos. control serum The neutralizing effect of Carragelose is comparable to serum from a patient who recently recovered from COVID-19. Source: https://doi.org/10.1101/2020.07.28.224733 marino med 5

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