host: william from connecticut says thank you -- the first pfizer dose is in, waiting for the second on april 19. bless those who work, technology and expedited the final research and production. linda, minneapolis, you are on the air with dr. mace rothenberg . caller: good morning. thanks for taking my call. i have a comment and a question. i will make the comment -- you just spoke about people being able to get together -- by the way, i am over 80 and i have had two of the pfizer, and thank you very, very much, but i have noticed my friends, my contemporaries have really come in my view, opened up to doing things since they have been vaccinated, and i am still, kind of, cautious. i wonder specifically about the gathering together in small group to have dinner in somebody's home. of that kind of worries me. i know that that kind of worries me. i know friends that are doing that, they are eager to get together. it is understandable. i would like your opinion on that. the next question is what about a booster? do we need one thank you. guest: great question. congratulations. it sounds like you are doing great. in terms of gathering together, as we are going alone, we are getting more