Who definitely has covid to try to see whether the drug can prevent them from getting covid in the first place. so if those studies are positive, and they re being done right now, then indeed the drug would be available not only to treat patients who have covid but to also prevent them from getting covid if they spent a lot of time with somebody who has it already. that s interesting. so it could be preventive not just of getting severe illness but at some point preventive of just contracting the disease? right. if the studies are positive, that being the case. again, it s not a substitute for vaccines. but what it is if you have inadvertently come in contact with someone who has covid, it may prevent you from getting the infection to begin with. . understood. you mentioned the idea of this not being a substitute for vaccines. the advice on that has been consistent. ....