In any other year, we'd be happily flying over the rivers and past the woods to get to Grandma's house more quickly for the holidays. But it's 2020, and globally there are more than 1.2 million deaths from the novel coronavirus so far -- with no end in sight.
"I'm particularly worried about air travel," said pediatrician Dr. David Rubin, who directs PolicyLab, a research and public policy center at Children's Hospital of Philadelphia. The center is tracking Covid-19 cases in communities across the country.

Read more at CNN.