There is an Omicron sub-variant that has emerged recently and grabbed the attention of public health officials in America and overseas. So what is BA.2? How is it different from the Omicron we are all too familiar with already? If you've already been infected with the Omicron variant, how vulnerable are you to BA.2? And in general, how concerned should we be about it? Dr. Neal Goldstein, Assistant Research Professor of Epidemiology at Drexel University's Dornsife School of Public Health joins the podcast to explain everything we know about this new sub-variant and the latest stage of this pandemic. 

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