Recommended vaccines are getting more complicated

And expensive:

Twenty years ago, it cost $75 to $100 to immunize a child with the four available vaccines. Today, 12 are generally recommended for kids and adolescents, at a private-sector cost of about $1,250.

And the government is expected to recommend a 13th vaccine for girls — a shot that protects against cervical cancer. It costs about $360 for the three-dose series, potentially raising the per-child vaccination bill to more than $1,600.