Doctors and epidemiologists are closely monitoring the rise of yet another coronavirus variant that has been detected in almost a dozen countries, including the U.S. Concern that the so-called Delta Plus variant — a mutation of the now-widespread Delta strain first detected in India — could be more infectious and cause more significant health problems than other variants prompted Indian officials this week to label it a "variant of concern."
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Delta Plus: As U.S. grapples with Delta variant, India raises alarm over a new COVID strain mutated from it - CBS News
