so you k julian tang clinical biologist of the university of lester and robert as the dean abraham director of med biotech and medical biotechnology laboratory. thank you all for joining us. helen. since the new variant army crohn was identified, its panic and exile anxiety globally is, is because of the mutations themselves, or because this is an uncharted territory for the health community. when i don't think it is an uncharted territory anymore. unfortunately, i think we've had quite a lot of these scares that the emergence of new variance, if we recall good thinking back to what happened in india. so it's not uncharted, but it is concerning. and we're going to have to do a lot more research to really understand what this new variant it actually will mean, both in terms of severity of disease, chance mr ability and the action of vaccines, and whether people can get reinfected. lots of questions to ask julian, the w h o labeled omicron as a variant of concern, which basically means is contagious or could be more virulent if it's both cases. what does it mean for the world? yes sir. the ar