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who was allegedly racially profiled during a stop and search, says he was pulled over for a second time by seven armed police officers. the met says it's voluntarily referred the incident to the independent office for police conduct. good afternoon booking to bbc news. the labour leader, sir keir starmer, has set out proposals that he says will prevent household gas and electricity bills rising sharply this winter, in england, scotland and wales. he wants to freeze the energy price cap for six months, and pay for the shortfall in part by backdating the windfall tax on oil and gas com...

In place to do it. the problem with this will always be can you do it quickly enough before whatever new variant has come and gone? we have seen with the ba one variant and subsequent waves they only last two or three months before they are replaced. fortunately the last three waves have all been 0micron and has been quite a lot of good cross immunity between the different subtypes of 0micron, but a new variant altogether could come and go before we have had a chance to modify the vaccine and tested quickly enough, but at the moment there isn't any indication that a new variant is on the cards...

Delta crossover, there's good cross immunity. the t cell immunity doesn't really protect you from getting the infection but it does prevent severe disease, it takes a few days to kick and it's powerful. we got another promising study that answered the open question, does it omicron immunity cross over to delta? it was found it's four times immunity against delta so it does answer the question will omicron displaced delta? yes. much of the world will not have access to a vaccine, for the rest of the world we can recognize at least there's an end in sight to this particular variant as omicron sw...

That was the first contact covert. >> there are two types of cross immunity. one of the antibodies or the front lines of fighting the infection. omicron does partially fight the antibodies that you have from vaccines and partially invade antibodies that you have from prior infections. but the durable immunity, that is the memory b cells and t cells, are still very effective. they are encompassing of all variants. that is why you have good protection against severe illness. we got more data out this week again, that supports that. >> something doctor, that is still wildly unclear to me now, is ...

Transmissible virus that has th potential to our vaccines in terms of how it protects us fro severe disease and death. >> doctor, are we expected to keep taking new boosters every year as this virus continues to mutate down to the last letter in the alphabet? >> know, and while there could be mutation, that is always the case so there is nothing new to that, but what the study a week ago i think came out from marie that shows that people with natural immunity who had covid, they have immunity did not only the infection, but to the other for four common corona viruses, and to covid one, so we k...