Israel's health ministry said Monday that the Pfizer/BioNtech vaccine appears to be just 64 percent effective against preventing symptoms from the fast-spreading Delta COVID-19 variant, but remains highly effective at preventing serious illness and hospitalizations.
According to data released by the ministry, the vaccine's ability to prevent symptomatic COVID-19 has dropped by roughly 30 percent over the past two months.
Previous studies in May showed the Pfizer vaccine to be over 94 percent effective in preventing COVID-19, while new data shows that number dropping to just 64 percent from June to July, The Times of Israel reported.
However, the study found that the vaccine remains highly effective against preventing serious symptoms and hospitalization associated with the coronavirus. In May, that figure stood at 98.2 percent, while it was 93 percent in June.
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