Innovation Pharmaceuticals Inc (IPIX)

[BonelessCat]

Because if you are trying to show something is an effective treatment you don’t pretreat the subject. The test wasn’t to show B is an effective prophylaxis; it was to show it was effective against infected cells. B doesn’t stay in the system long enough to be a useful prophylaxis. That’s the domain of a vaccine or anti-malarial like a quinine-based drug. B would be useful for post-exposure, almost certainly not before. The drug it was tested against has a known measure of anti-SARS-CoV activity in pre-treatment. They used it as a comparator rather than a zero treatment control.