Novel longitudinal data confirm accelerated biomarker changes during preclinical AD and highlight the important role of amyloid levels in tau accelerations.
now, a sobering marker for the u.s. in the battle against coronavirus. the country now crossing 800,000 confirmed deaths since the pandemic began. now, the delta variant is still the biggest driver of cases for now as you can see there. dr. anthony fauci says that will change. what s still unclear, though, however, is how severe the infections will be. have a listen. whether it s inherently less pathog pathogenic as a virus or more protection in the community, weev we re just going to have to see when it comes in the united states. for sure, jim, it will be dominant in the united states given its doubling time. dr. fauci says the vaccine is still the best way to prevent severe infection. a new study shows how over 1