RSV, a common respiratory virus, can be especially harmful for infants. But this past winter brought promising news: two new preventive measures became widely available — a vaccine given in pregnancy and antibodies given to newborns. Together, they led to a major drop in RSV hospitalizations among infants. Which is good for both families and taxpayers. And in the next installment of our "Buy Now Pay Later" series, we look at tackling credit card debt before retirement.