The COVID-19 Delta Variant Raises New Concerns Among Health Experts
The COVID-19 Delta variant appears to be much more contagious than federal health experts had previously believed. According to the Centers for Disease Control and Prevention (CDC) data, this new strain is responsible for more than 51 percent of new U.S. COVID-19 cases from June 20 to July 3. Dr. Rochelle Walensky, the director of the CDC, told reporters on Thursday that her agency’s estimate is just that, an estimate at best. She said that while it does not surprise health experts that the Delta variant has become the dominant strain, they did not expect it to spread so rapidly and so soon. I...