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his wife giselle gave an update on his condition earlier on "morning joe." >> he feels great. he wants to get out. they hold him longer but the surgery went great and on the way to a full recovery. >> democratic pennsylvania attorney general shapiro will go head to head with doug mastriano this november. in north carolina, incumbent republican congressman hawthorne lost his bid conceding to chuck head wards. let's start with nbc news national political correspondent steve kornacki at the big board. good morning. where do things stand for the senate in pennsylvania? >> yeah. good morn...

When will science solve aging? Who knows? Maybe TWIS! Find out by listening to this episode of This Week in Science!

COVID-19 immunity may gather strength with more time between vaccination and infection; people who’ve had the virus benefit even from delayed vaccination.

Immunity. they are all measuring antibodies. it is very important. we also know that immunity is very complicated. there are memory cells that we don't do a good job of measuring with our standard blood kept tests. that kicks in. think about, oh hey, i've got a cold before. this time around, it wasn't so bad. similar concept. that's what's helpful when we have a vaccine. even better if you've been infected. just being infected and getting a vaccine. it gives you even more protection. >> i love this, okay, hope, i like ascending on hope. thank you, dr. patel. we have more questions. you will ha...

Is influenza and rsv, not covid right now. jon: why? covid, so much of the population has had vaccines? >> that's right, population immunity is high every time you get covid, your memory cells remember it and are more ready to produce antibodies. there are four coronavirus is circulating for centuries and caused the common cold. covid is the fifth even though it has a stigma for case fatality rate that was high, the reality is influenza and rsv have a similar risk profile and higher in certain age groups. doctors report less than 5% of infections in the hospital right now or for covid so it ma...