BBCNEWS BBC News December 4, 2021 23:05:00
Than a week ago had probably been in circulation since september. health officials there, say it could already have spread widely around the world before other countries started to impose travel bans. i'm joined now byjonathan dushoff, from the south african centre for epidemiology modelling and analysis. thank you very much forjoining us, jonathan. my first question is regarding what pots want to have said — does that sound about right, that omicron was circulating for possibly two months —— botswana? i have no reason to doubt it. i haven't reviewed those reports today. i've been busy u...
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