New coronavirus variants are throwing yet another wrench at the idea of reaching herd immunity. As the virus spread across the world, infecting over 100 million people, it had the opportunity to mutate. Not every change was important, but now, several variants are circulating that pose additional challenges to controlling the pandemic. Three variants in … Continue reading POST 131. February 17, 2021. CORONAVIRUS. “It really is right now – a race between how quickly new variants, particularly the U.K. variant, can spread in the United States and how quickly we can get people vaccinated”