booster because that will protect you. even a weakened virus can still put you in the hospital and kill you if you are unprotected so i want to make sure people get vaccinated and the booster. but yes, um, this virus -- this strain of the virus, this variant of the virus is less serious to most people than the delta virus or the native strains. but it's still a very serious condition, and we can't take it lightly. and i want to emphasize that vaccination has to be the basis, the foundation of the strategy. you layer testing, oral antivirals, monoclonals, and masks on top of that but we need to do all of it. this is not a joke. omicron is still dangerous, and we have to employ all those strategies and techniques. >> i mean, sanjay, i guess my question is and -- and it was partly asked. but i mean, just overall, one day -- i mean, is that what happens to viruses? that they -- they gradually weaken over time, and is omicron a sign of that weakening? or is it just a -- this one happens to be a weaker variant and there's -- could be another