Greece has approved the fourth dose of the Covid-19 vaccine for people with weakened immune systems.
The decision was taken by the National Vaccination Committee and will take effect on January 20.
The fourth dose will be administered 3 months after the third dose and will be applied to persons over 18 years of age.
The chairwoman of the National Vaccination Committee said that the application of vaccines has a valuable contribution to prevent deaths from Covid.
Tiranapost.al