with me is matthew bartels, professor of physical medicine and rehabilitation. and while you're a medical center in new york, welcome back to our program. matthew. as we just saw, the report abnormalities in the blood could be a cause of long could it, could this finding help and the prevention or even therapy of it. this is a very interesting finding because you know, we have not really to this point understood the exact causes of long coded and it is a systemic type of disease and manifests in many ways as you have in your intro piece . the idea that something that for blood abnormality may contribute to a systemic diseases is not at all something that would be unusual. many people are familiar with sickle cell and although that's a genetic condition and very different having ever maladies of the blood cells, they are cause many effects, including central neurological symptoms of tea cause muscular skeletal complaints problems with the joints. so having something that is present all throughout the body like blood showing these long term abnormalities may be a v

matthew bartels, professor of physical medicine and rehabilitation. thank you for your thoughts. thank you. and from the feeling that cobra had never left its now onto the worry of catching it again. here is one of your questions for our science correspondent williams. paul. i had coven 19 recently and recovered vin not long ago, found out i was exposed again. could i have been infected again? the data we have indicates that although it's not impossible it's, it's highly unlikely. a lot of researchers have looked at this question and come to that conclusion. for instance, a recent large scale study involving over 25000 healthcare workers in britain showed that having had cobra 1900 once had a dramatic protective effect for at least 7 months after an infection. the strength of the effect was close to the one observed and people who had 2 doses of our most effective vaccines. additionally, the study showed that people who had covered 19 then tested positive again for it a few months or weeks after convalescence. the chances of developing symptoms were also much lower than and those

with me is matthew bartels, professor of physical medicine and rehabilitation. and while you're a medical center in new york, welcome back to our program, matthew. as we just saw the report abnormalities in the blood could be a cause of long could it, could this finding help in the prevention or even therapy of it? this is a very interesting finding because, you know, we have not really to this point understood the exact causes of long code and it is a systemic type of disease and manifests in many ways as you have in your intro piece. the idea is something that the blood of malady may contribute to a systemic diseases is not at all something that would be unusual. many people are familiar with sickle cell and although that's a genetic condition and very different having maladies with the blood cells, they are cause many effects and putting central neurological symptoms of tea cause muscular skeletal complaints problems with the joints. so having something that is present all throughout the body like blood showing these long term abnormalities may be a very impor