we're seeing breakthrough cases among vaccinated people. we want to point out to our viewers, they're rare, if you have a breakthrough case and you're vaccinated, you likely won't end up in the hospital or die. what about vaccinated players getting breakthrough cases? >> we all know that you can still get covid infection if you have a vaccination. but clearly being vaccinated protects you against more severe illness and certainly severe outcomes of hospitalization or death. again, same principles apply as last year. we have an infection, let's quickly isolate that person, try to keep that team environment safe. i think the message is clear, you're much less likely to get a covid infection if you're vaccinated. if you are infected, it's likely to be a less severe form of illness, and we think it's less likely to transmit around to your colleagues as well. so again, vaccination is the best weapon we have to keep everyone in the team environment safe. >> and another tool of course is testing. and i know if you're