http://www.sciencemag.org/news/2021/08/grim-warning-israel-vaccination-blunts-does-not-defeat-delta

Medical staff at a COVID-19 isolation unit in Ashkelon, Israel, last week. Officials worry a steep surge in cases will soon fill Israeli hospitals.

“Now is a critical time,” Israeli Minister of Health Nitzan Horowitz said as the 56-year-old got a COVID-19 booster shot on 13 August, the day his country became the first nation to offer a third dose of vaccine to people as young as age 50. “We’re in a race against the pandemic.”