I don't think we have concerns with this company. They've been working diligently. Some of the delays have to do with a production process to produce a large amount of vaccine for clinical grade. That took some time. We placed our order with them initially so we would have some vaccine. We just received that batch early this year. I think it was around February, so it took a long time for the production to get going.
As for the clinical trials, I think it's worth remembering that typically this process takes five years or more from the beginning. Prior to this outbreak there had been only 2,500 cases in the world—