This has been going on for a while. In China it started in late December or early January, and I don't know when it hit Italy, February or March. It's been around for a number of months.
There are a number of randomized control trials in Canada. I think these started a lot earlier in places like England. I don't know whether Italy had them, but there are some treatments that sound pretty good on paper. I'll ask Dr. Mossman, because I think she's involved with the use of convalescent serum. Also, remdesivir has been touted by some people in the United States as being a big cure.
If a study is going really well and has shown that one of the treatments is clearly beneficial, and it becomes unethical to continue that study, but all these studies are still going on months later, I'm thinking—I may be wrong—there doesn't seem to be any clear benefit to [Technical difficulty—Editor]