safety it's still up in the air but that so far is also looking good to one tank thanks very much darrent williams from dahab nissan's he'll say more of derek in today's edition of 19th special. well i meant the optimism over a coronavirus vaccine u.s. president elect joe biden is warning the country is still facing a quote very dark winter infections are soaring in many states and tens of thousands more americans are likely to die of the virus before biden takes office in january he says he wants a science led response to the pandemic and he's unveiled a tame of public health experts to lead the way. it was only in january this year when the united states registered its 1st corona virus infection now the country has sped past a grim milestone 10000000 confirmed cases. president elect joe biden says the pandemic will be the priority of his new administration he spent the day showing off his newly announced coronavirus task force which will advise how to get the virus under control. this group. detailed plans built on a bedrock of science and we keep compassion empathy and care for every american a

so now let's put one of them to ask science correspondent darrent williams. should people who have already had coded 1000 continue to wear masks? i answered this question a few months ago and the guidelines haven't really changed, but it gets sent in so often that i guess it's, it's maybe time for a reminder. the short answer is that a lot of aspects of covert 19 immunity are still pretty hazy because people simply haven't been recovering from it long enough to provide solid, long term data. based on what we've seen so far with the disease. people who get infected once do acquire some immunity for a period of time. the big problem is, we still don't really know how long on average that period is. so for some framework, it makes sense to look at what we know about other corona viruses that infect humans and, and studies there, have revealed that immunity can wane pretty swiftly. a number of them convincingly show people can be really infected with some of those pathogens within a year of catching the ones. so far, there have been a few dozen documented cases o