Nope, that's false. This was misreported by the WSJ and they have issued a correction: https://twitter.com/ScottGottliebMD/status/14088615013063761...
>An important correction on the Israel story. Half of “adults” infected in Israel were fully vaxxed, not half of all cases. About half of the total infections were kids. Means about 25% of infections were in fully vaxxed, and most if not all were reportedly asymptomatic infections
Even if it were true, with a high enough percentage of vaccinated citizens, the base-rate fallacy will ultimately make statements like yours misleading:
https://nationalinterest.org/blog/reboot/most-covid-deaths-e...
The article is a random, that points to the original gov data
Meanwhile, old adults are almost all vaccinated, but have a much higher CFR.
https://www.deccanherald.com/amp/international/world-news-po...
Although you might point at several things, including more than 50% of population being vaccinated
It still shows that the vaccine might not be that effective.
In the UK there is also the strange 12 weeks interval between doses, instead of 4 recommended by manufacturer, and used in other countries