
What's different about the Delta variant? Here's what's known
CNN
What is the Delta variant? Why is it more transmissible? Does the Delta variant cause more serious Covid-19 disease? Answers to your questions about the Delta variant.
President Joe Biden said Thursday that every federal government employee or contractor would be asked to say whether they are vaccinated, and those who are not must wear a mask on the job, keep their distance from others and submit to a virus test at least once a week. Driving this are two things: The large number of Americans who remain unvaccinated, and the rapid spread of the Delta variant.More Related News