
As the US enters a third year of the Covid-19 pandemic following an Omicron-fuelled surge of infections, public health officials are bracing for another spike in cases with the emergence of a more-contagious subvariant that has led to case surges in China and across some parts of Europe.
Meanwhile, states and cities across the US have largely relaxed public health measures, including mask and vaccine requirements, preparing the nation for a potentially major test of “living with Covid” while 1,000 Americans continue to die from the disease each day.