With Christmas in the rear view mirror, public health experts are bracing for yet another surge in <a href=”http://www.cnn.com/world/live-news/coronavirus-pandemic-vaccine-updates-12-26-20/index.html” target=”_blank”>Covid-19</a> cases, similar to those seen after other US holidays in recent months.

“We’ve just seen these amplification events, and that’s what’s happened at the end of this year in the