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A new COVID-19 Omicron sub-variant known as BA.2 has been detected in the United States, officials said, coming ...

Things we could be doing like sage has suggested which will help to bring cases down and i think other countries are just keeping mask mandates because it is not a huge a position for most people to wear a mask full so the reason we dropped masks was not because it has any economic detriment but purely ideological because the government is afraid of taking tough decisions that are unpopular and was on that last christmas when boris said he was a christmas and actually we have a much better off if he is in from the start it's going to be difficult this year so we are going to take a controlled ...

First course of vaccine is beginning, the headedness is beginning, the headedness is beginning to wear off, but we are also have heard of the last two days about this new variant, which is a sub variant of the delta variant. and that may actually be more infectious is able are suggesting it may be about ten to 15% more infectious so not as big a jump as delta was over alpha or alpha was over the previous variant but certainly a risk of causing more rapid spread. and we will have to keep a very careful eye on what's going to go on over the next few weeks to make sure this is not actually and ul...

By about 60% over the last month. that particular sort of sub variant of delta has actually been seen in declining quantities in the united states through our surveillance program, but it does bear watching, you need to learn a lot more about it. it does have a mutation in the spike protein. we need to understand if that has implications of the way our vaccine works. there will be more to come on that. >> dr. jonathan reiner, thank you. >> my pleasure. two months since the chaotic u.s. pullout from afghanistan, the top u.s. envoy afghanistan is expected to step down. cnn's alex marquardt is ...