variant. he said part of that preparation will need to include new vaccines. he also said by the time the new variant arrives, all americans should have access to antiviral treatments immediately after testing positive. are we on track for both new variant vaccines and for that kind of therapeutics that may make that kind of difference. joining us now is ashish aja, he's dean of the brown public school of health. dr. aja, thank you for being here. >> thank you, rachel, thanks for having me back. >> you embody, with what you posted around twitter today around it, i wonder if you can tell people how to keep in mind these two things at once. that it does feel like we have a sense of what the shape of the omicron curve is going to be like, that we may be on the far side of it, on the downslope side of it. while also seeing health care