Nathan Jeffay is The Times of Israel's health and science correspondent A health worker prepare a vaccination against COVID-19 at a Clalit vaccination center in Jerusalem, on December 31, 2020 (Olivier Fitoussi/Flash90) Until now, Israel’s speedy coronavirus vaccination rollout has been the source of awe, envy (and some criticism) worldwide. But with the release of preliminary data on how hundreds of thousands of people have responded to the shots, it’s also set to be the source of groundbreaking insights expected to help bolster vaccination efforts globally. Most notably, the data released Tuesday by the Health Ministry shows that the vaccine significantly cut down infection levels among sample sizes even before full protection kicks in after the second of two doses.