AstraZeneca A New Study Reveals Pfizer and Astra Zeneca Vaccines’ Effectiveness Versus Delta 5 years ago A study reveals the effectiveness of COVID vaccines against the Delta variant only slightly compromised versus other strains. Travel News Brief from Greece: April 14, 2021 5 years ago Greece's Tourism Minister is in Russia promoting vacations. Europe has put the Johnson & Johnson jab on hold. And other… Mitsotakis To Greeks: “Just Relax” – TUI Says “Use Code SUMMER100” 5 years ago The pandemic is still on the rise in Greece, but promoting tourism above all else still seems to be the…