For the past 24 years, others have been trying to fill in the blanks. The little bit of research that has been done has been done with philanthropy or with foundation funds. We would never have gotten those vaccines up and off the ground as quickly as we did if we had not invested billions into operation warp speed and vaccine research. And we're investing federal funds now in investigating things like long covet, which are also of tremendous public health importance. Those federal funds make a difference because they allow groups of researchers, community members, patients to come together and do really high quality, trustworthy work.