Israel starts giving fourth Covid vaccine shots to people with weakened immunity, becoming one of the first countries to do so in hopes of countering a case surge driven by the Omicron variant. The effort comes almost exactly one year after Israel began a massive vaccination drive on the back of a data-sharing accord with US pharmaceutical firm Pfizer.

READ MORE: https://mb.com.ph/2022/01/03/israel-approves-4th-covid-19-vaccine-shot-for-people-over-60/