reporter: yeah, the cdc and the state department saying do not travel to japan. they re in a state of emergency. cases are up deaths are up. vaccination rates very, very low but the ioc says the olympics are still on, lester tom, thanks today moderna announced results of its vaccine trial for kids ages 12 to 17 as more than 164 million americans have now gotten at least one dose dr. john torres joins us now john, the moderna results appear to be positive. yes, lester this is great news an fda authorization would give the u.s. a second vaccine for adolescents and significantly increase the country s supply almost 4,000 kids wereerna s d the company says not a single one who got both doses ended up sick, making it 100% effective. so if it s given emergency use authorization, we could see it in pharmacies this summer. and where does approval stand now for younger kids