it. you can be over 18 with an underlying condition, caring for somebody with an underlying condition, or have a job that puts you at risk for infection. and you can self-define, essentially, whether you get the fourth vaccine. and it has to be more than four months after your third dose. israel saying they are making this recommendation because of data. they examined those 400,000 people over the age of 60 who received the fourth dose jasinc january, and they say they found more than double the protection in protection and more than a threefold increase in protection against serious disease. >> thanks so much. hadas gold in jerusalem. russia claims it doesn't want war with ukraine, but its actions suggest it's moving towards armed conflict. coming up, we'll take a look at ow both sides measure up after modernizing their forces. plus, cooler heads prevail after russian war games raised tensions with israel. we'll explain how a group of fisherman played a role. that's next. stay with us.