Mask-wearing hit an all-time high, but other COVID-19 precautions are less common now than last spring, a survey finds. Experts worry we're ill-prepared for the spread of more infectious new variants.
Social distancing fell dramatically between spring and fall and the gap between Democrats and Republicans widened. But both ends of the political spectrum agree on some measures to fight COVID-19.
The public health agency had previously emphasized that masks protect other people from viruses you might expel. The new advice gives a less altruistic reason to wear face coverings.
