FILE - People watch from a passing bus health workers protesting outside the government building in Bucharest, Romania, Tuesday, Dec. 28, 2021. As the fast-spreading coronavirus variant omicron rages through Western Europe, officials and experts in low-vaccinated Eastern Europe view it as a forewarning for what much of the region anticipates to be an imminent, post-holiday virus surge.(AP Photo/Vadim Ghirda. File)
