VOICED : Un grupo de trabajadores sanitarios recibe cuarta dosis de vacuna en Israel

Israel has started approving a fourth COVID-19 vaccine dose. A Tel Aviv hospital is conducting trials with healthcare workers to test the vaccine's safety and efficacy. The study involves 150 volunteers who previously received a third dose over four months ago. The government aims to understand the Omicron variant's impact before a nationwide rollout. Over four million Israelis have received three doses in a country with a population of over nine million.

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