the food and drug administration is allowing for a half dose of moderna s vaccine to be given six months after the initial two doses are completed. those eligible include anyone 65 and older, adults at high risk of severe covid-19, and adults with frequent exposure to covid-19 through their work. for a booster dose of johnson & johnson vaccine, the fda says that can be administered two months after the single shot is completed. anyone 18 and older is eligible. reporter: i m dan simon in san francisco where the popular fast food china in-n-out burger reopened their doors but for takeout only. they ordered the restaurant to be closed because employees were not asking customers for their vaccination status. a chain executive saying in a statement, in-n-out would not