Israel is giving weekly data updates on its COVID-19 outbreak to vaccine maker Pfizer under a collaboration agreement that may help other countries fine-tune their inoculation campaigns and achieve “herd immunity”, officials said.Israelis began receiving first shots of the vaccine developed by Pfizer and its German partner BioNTech on Dec.
19 in one of the world’s fastest vaccination rollouts.Israel’s Health Ministry made public most of a 20-page collaboration agreement it signed with Pfizer, which said the aim was “to determine whether herd immunity is achieved after reaching a certain percentage of vaccination coverage in Israel”.