Scientists estimated action of the fourth dose of a vaccine from Koronavirus

The fourth dose of a vaccine from Koronavirus is capable to improve twice protection against Koronavirus. These researches of the Israeli scientists published on Sunday testify to it, January 23. Analysis of data was carried out by Ministry state health care Israel together with institute Vaytsmana, "Tekhnion", the Jewish university, institute Gartner's name in medical center Haim Shiby's name...