Gupta is with us. Good morning, sanjay. Good morning. I guess ill start with pfizer, because a vaccine is really the only way for the country to turn an effective corner. What does this test comprise of in humtz aans and what are you looking for in a timeline if it proves to be effective . This is a pretty effective trial. Were following it closely. They started it in germany first, and as you mentioned, now in the united states. They want to have several hundred people enrolled. This is a genetic vaccine, an mr8 vaccine. When you think about vaccines, you try to think about using a little of the virus to give to somebody to stimulate an immune response. Sometimes you can give them an active virus, a dead virus. This is a general blueprint of a part of the virus. The hope is that by putting that blueprint in the body, the virus will make antibodies in response to the virus. So youre letting the body make the vaccine, in a way. Its never been done before. There was a lot of enthusiasm a