ASX-listed clinical-stage oncology group, PharmAust, continues to show that its cancer fighting drugs, Monepantel and Monepantel Sulfone, can have a positive, anti-viral effect on cultured cells that are infected with the Coronavirus. According to the Perth-based company, a second repeat of its in-vitro anti-viral confirmatory testing successfully demonstrated the anti-COVID-19 activity of both Monepantel and Monepantel Sulfone.