 It's right now at 68 degrees and sunshine, and we're going to listen to the M&N and see what they have to say. Minnesota News Network, I'm Brent Palm. Hospitalizations due to a new COVID-19 variant are on the rise, but why now? Stephanie Meyer with the Minnesota Department of Health says an explanation for those vaccinated is that immunity can wane over time, and recent weather hasn't been any help either.