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Reuters
Reuters
JERUSALEM (Reuters) -A major Israeli hospital will begin administering a fourth COVID-19 vaccine shot to 150 staff on Monday in a trial aimed at gauging whether a second booster is necessary nationwide, the facility said on Sunday. Sheba Medical Center near Tel Aviv said its trial would shed light on the efficacy of a fourth dose and help decision-makers set health policy in Israel and abroad. Israel has reported 1,118 confirmed cases of the fast-spreading Omicron coronavirus variant, with the number of people infected by it doubling every two days. A Health Ministry panel of experts has recom…