Covid: new data from Israel, "Pfizer only covers 64% from delta variant"

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05 July 2021 "Bad news coming this morning from Israel".

This was announced on Twitter by Yaniv Erlich, an Israeli-American scientist, associate professor at Columbia University, relaunching new data from the Tel Aviv Ministry of Health on the protection of the anti-Covid vaccine against the Delta variant of Sars-CoV-2.

"The Ministry of Health - Erlich writes - reports that Pfizer's effectiveness in protecting against the Delta variant drops to 64% from 94% against other strains. This has important implications for herd immunity and the ability of the virus to heal. evolve further ".