delta variant of SARS-CoV-2, which was first identified in India, is now the dominant form of the virus in the United Kingdom.
In the United States, at least 10% of new cases are with this variant.Data from the U.K. show that new SARS-CoV-2 infections have increased by 31% in the past 7 days.
Moreover, an analysis from Public Health England (PHE) suggests that the delta variant is more transmissible than previous ones and that it is more likely to lead to treatment in the hospital.Yet recent data indicate that vaccines are effective at preventing severe COVID-19 caused by the delta variant that would require hospital treatment.In this article, we present up-to-date research on how well COVID-19 vaccines work against the delta variant.A.