Vaccine effectiveness in preventing serious COVID-19 infection among the elderly has fallen to 50 percent, according to new Israeli figures, but some prominent experts are saying the data shouldn’t be taken seriously.

The Pfizer-BioNTech coronavirus vaccines were wowing Israelis with sky-high effectiveness rates until the rise of the Delta variant. But according to data recently raised at a top-level Health Ministry meeting, the immunization’s effectiveness in preventing serious illness is now at 80% for the general population and 50% for the elderly.

Israel’s national research body for epidemiology, the Gertner Institute, conducted the research, and Dr. Amit Huppert from its bio-statistical unit told The Times of Israel that policymakers should pay attention.

The government “should not be panicked but should take the data seriously, as it’s a warning that should not be ignored,” he said. “Most of us did not believe a month ago we could be in this situation.”... Read More: Times of Israel