President Biden wants at least 70% of U.S. adults vaccinated by July 4, but for several states, that mark is nowhere in sight. Vaccination rates are lagging in the south, and experts say it could lead to a surge in cases in the summer. Another part of the problem is that not everyone is medically able to get vaccinated. Chief Clinical Officer Dr. Dan Roth joined Wake Up With Cheddar for more on what people can do.