optimistic that we won't need a booster every year. jericka? >> duncan: we wait to see what happens next, lilia luciano for us in los angeles, thank you. two weeks after the u.s. listed the covid travel ban to europe the world health organization is now warning of a surge in covid deaths across the continent. unless proper actions are taken. here's cbs' imtiaz tyab. >> reporter: belgian police use water canons after some demonstrators chanting freedom turned violence, earlier tens of thousands took to the streets of brussels to protest against thousands took to the streets of using re-- newly reinforced restrictions like mandatory mask and work from home orders as infection rates continue to spike. several european countries are now convulsing with protests after the world health organization declared the continent the hot spot of the coronavirus pandemic. in the netherlands, there was a second night of violence, this time in the capitol the hague. dozens have been arrested in what police are callingol