this afternoon, thousands of football fans will gather at levi stadium where the san francisco 49ers are taking on the houston texans, but the game comes as covid cases are suring across the country and the nfl is grapping with an outbreak of its over. more than 500 players were placed on the covid reserve list of. that's nearly a quarter of the entire nfl. joining me with more on this is scott cohn from levi stadium. so scott in terms of residents there. 4 out of 5 residents in san francisco county are fully vaccinated against covid. so is that giving fans comfort as they head into the stadium there? >> well, you know, clearly based on the crowd that's here, there doesn't seem to be a whole lot to be concerned with. you should know, though, levi stadium is in santa clara, not san francisco. so they do not have any vaccine mandates here. they encourage people to be vaccinated. masks are required in indoor