![WWSG - Michael Osterholm Speaker News](https://wwsg.com/wp-content/uploads/2023/01/WWSG-Michael-Osterholm-Speaker-News.jpeg)
Highly infectious new Covid variant XBB.1.5 behind 40% of US cases as UK infections rise
Highly contagious new Covid variant XBB.1.5 is behind 40 per cent of cases in the US as it sweeps across both sides of the Atlantic In the…
Thought Leader: Michael Osterholm