https://tharos.gr/oikonomia/%ce%b7-pfizer-%ce%b1%ce%bd%ce%b5%ce%b2%ce%ac%ce%b6%ce%b5%ce%b9-%cf%83%cf%84%ce%b1-36-%ce%b4%ce%b9%cf%83-%ce%b4%ce%bf%ce%bb%ce%ac%cf%81%ce%b9%ce%b1-%cf%84%ce%b7%ce%bd-%ce%b5%ce%ba%cf%84%ce%af%ce%bc/