What do Scientists Know about the Delta Variant?

The COVID-19 Delta variant is extremely contagious and responsible for about 1 in 5 COVID-19 cases in the United States, and cases have doubled in the last two weeks, according to health officials. The US Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) are very concerned about the Delta variant. …

What do Scientists Know about the Delta Variant? Read More »