Northern U.S. states see uptick in COVID-19 infections and hospitalizations as weather gets colder

Northern states see uptick in COVID-19 infections and hospitalizations as weather gets colder With people heading indoors, some colder states are beginning to see a rise in cases. ABC News ABC News

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Despite vaccination rollouts, several states, particularly those in colder climates, are beginning to see a rise in infections.

"You're starting to see an uptick in cases in the colder parts of the country and as people are driven indoors without masks on," former Food and Drug Administration Commissioner Dr. Scott Gottlieb told CNN earlier this month. "The delta wave has not run through the United States... I think we have a couple of months to go."

Experts have been warning for weeks that colder areas may see an uptick in cases this winter.

"We may be starting to see the delta surge in the northern parts of the country that were relatively spared over the summer," said John Brownstein, Ph.D., an epidemiologist at Boston Children's Hospital and an ABC News contributor.

In recently released forecasts, the PolicyLab at Children's Hospital of Philadelphia reported that infection rates in parts of the Midwest and Mountain states remained "stubbornly high," and that despite declining transmission in the Southeast, Mid-Atlantic and in California, a period of resurgence may be on the horizon for northern regions of the country....