Israel is planning to administer fourth Covid shot which could be adjusted to fight new variants as country battles wave of infections despite hugely successful vaccine roll-out

Israel is set to begin preparations to administer fourth doses of the coronavirus vaccines as the country deals with soaring cases despite its trail-blazing roll-out of jabs. The country's national coronavirus czar Salman Zarka said the country needs to prepare for a fourth injection, which could be modified to better protect against new variants of the virus. 'Given that that the virus is here and will continue to be here, we also need to prepare for a fourth injection,' he told Kan public radio. 'This is our life from now on, in waves.'