People Are Talking About A ‘Double Mutant’ Variant In India. What Does That Mean?

(By Michaeleen Doucleff for NPR)

India is in the midst of a devastating second wave of COVID-19. For the past several weeks, cases and deaths have skyrocketed. The country is recording more than a quarter million cases per day.

The situation in India sounds remarkably similar to what has happened in Brazil, South Africa and now also Iran, says infectious disease scientist Kristian Andersen at Scripps Research Institute. “These countries already had a lot of people infected [in the first wave], and there was a sense that the country had reached some level of herd immunity,” he says. But then, over time, as people’s immunity waned, more contagious variants came along and sparked another surge.  Continue reading the article here…

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