Israel's Ministry of Health released some data about illness caused by COVID-19 and offered an expanded explanation of the vaccine's protectiveness. Despite an apparent decline in the vaccine's ability to prevent all infections during the spread of the Delta variant, the statement emphasized its continuing benefit in preventing severe cases.

https://www.ctvnews.ca/health/coronavirus/pfizer-vaccine-protection-takes-a-hit-as-delta-variant-spreads-israeli-government-says-1.5499682