Jun. 28, 2021Coronavirus MORE A young woman reacts as she receives a dose of Covishield (COVID-19 vaccine) during a special vaccination drive in Beawar. The first case of the Delta-plus variant of coronavirus in Rajasthan was found in Bikaner, India on June 27, 2021. Photo by Sumit Saraswat/Pacific Press/Sipa USA The delta variant of COVID-19 was first identified in India and is now surging in the U.K., Israel, and South Africa. In California, the delta variant accounts for nearly 15% of cases. While vaccinations seem to provide protection, public health officials are increasingly concerned about what this means for unvaccinated people.