>> well, you know, as you said previously, covid has thrown many curve balls. however, having said that i will say so many people got infected during the omicron wave, and so the percentage of americans vaccinated, the institute for health care metrics and evaluation estimates about 75% of americans are now going to be protected from covid. so that means we've not yet reached and we may never reach so-called herd immunity, the likelihood of having a major significant outbreak like we had with omicron goes dramatically down with the number of people who have been infected or vaccinated. >> or both, infected after being vaccinated three times. doctor, thank you so much. and up next cameras capture the moment a helicopter crashes into the water off the busy