http://thetimes.gr/2021/01/%ce%b5%ce%bc%ce%b2%cf%8c%ce%bb%ce%b9%ce%bf-%ce%ba%ce%bf%cf%81%cf%89%ce%bd%ce%bf%cf%8a%ce%bf%cf%8d-%cf%84%ce%b7%cf%82-pfizer-%cf%80%cf%8e%cf%82-%cf%84%ce%bf-deal-%ce%b3%ce%b9%ce%b1-%ce%b5/