Well, let's dig a little deeper into Israel. Their 2 week average of cases is up 86% but 2 weeks ago they had 16 cases as their average and today its 29. That really isn't statistically significant but some articles and news outlets would have you think differently. Covid is all but smashed in Israel.
As I said, the problem with using a 7-day average is that it is a lagging indicator. You don't necessarily recognize the start of a new surge until you're already pretty deep into it.
So yesterday, the 7-day average was 29.... Could just be statistical noise, compared to the average of 15-17 in the days and weeks earlier..
Now, just 1 day later, the 7-day average is 54... Israel has now had 3 days in a row of 80+ cases.
Now, context is important. A rise from 15 to 54 is hardly panic time. 54 is still quite low, historically for this virus in Israel. I expect this number to continue to rise. I do NOT expect it to get anywhere close to the peaks of January 2020. NOWHERE close.
So in context, in Israel, with 60% of the population vaccinated, I expect the viral numbers to "stay under control." But I do suspect we are seeing a surge -- it will go much higher than 54, while remaining much lower than January 2020. (when the average his 8,000).
But it does show that, as it turns out, Israel's 60% vaccination was insufficient to create herd immunity, particularly as to the Delta variant. (Different variants can have different herd immunity thresholds, based on transmissibility and vaccination effectiveness).