Common anti-virals that fight protease (the enzyme needed to replicate) showed strong promise against SARS - but it ended before they could do more public studies. It might be a good time to invest in these drug companies. Similar principal behind Tamiflu - it shortens the flu but more importantly reduces the complications and secondary infections (which is what kills people).
https://www.sciencemag.org/news/2020...ew-coronavirus