Israel is to begin rolling out a fourth dose of the coronavirus vaccine with immediate effect for people ages 60 and over, medical workers and people with suppressed immune systems, the Prime Minister's Office announced Tuesday, following a recommendation from the country's panel of coronavirus experts.


원문출처 : https://www.cnn.com/2021/12/21/middleeast/israel-fourth-covid-vaccine-booster-intl/index.html