US company claims to have developed a 100% effective antibody against Corona

American company Sorrento Therapeutics claims to have developed a 100% effective antibody against corona virus.
Sorrento Therapeutics claims that the antibody they developed prevented the corona virus from entering human cells. The American company claims that it can produce 200,000 doses of antibody in a month. An application has also been made to the US Food and Drug Administration.