Coronavirus: Indoor mandatory masks could be back on Sunday – official
*Outbreaks spread in more cities as Israel registers more than 100 new cases for four days in a row. *Vaccine effective against Delta Variant, experts say.
People wearing protective face masks sit outside the AHEPA hospital, where the first confirmed coronavirus case is being treated, in Thessaloniki, Greece, February 26, 2020(photo credit: ALEXANDROS AVRAMIDIS/REUTERS)ByROSSELLA TERCATIN, MAAYAN JAFFE-HOFFMANUpdated: