Fourth shot enhances COVID resistance for people over 60: Israeli study New York Post Fourth COVID vaccine unlikely for most people, Israeli health minister says HaaretzFourth Dose for Older Adults Triples Protection Against Serious Illness: Study Barron'sIsrael Vaccination: Fourth Shot Gives Covid Protection, Health Ministry Says BloombergHealth Ministry: 4th dose triples protection from serious illness for over-60s The Times of IsraelView Full Coverage on Google News