News Snapshot:
New COVID-19 cases in the locked-down Chinese city of Xi’an fell to their lowest in a week, health officials said Sunday, as residents face their eleventh day under strict home confinement. China has followed a “zero COVID” approach involving tight border restrictions and swift, targeted lockdowns since the virus first surfaced in a [central city](//medicalxpress.com/tags/central+city/) in late 2019—but this strategy has been put under pressure in recent weeks with a number of local outbreaks and cases remaining stubbornly high. There were 122 fresh infections reported Sunday in the historic northern [city](//medicalxpress.com/tags/city/) —the lowest since December 25, and down from 174...
