The Delta variant is poised to become dominant, and experts warn it could fuel a Covid resurgence
A coronavirus variant first spotted in India is poised to become the dominant one in the United States, where infectious disease modelers say it could cause a "resurgence" of Covid-19 later this year.
A coronavirus variant first spotted in India is poised to become the dominant one in the United States, where infectious disease modelers say it could cause a "resurgence" of Covid-19 later this year.
