Drive-By Flu Shots

More hospitals are offering curbside vaccinations. Sure, it's convenient, but is it safe?

David L. Ryan / Boston Globe / Landov

In Las Vegas, you can get cash, booze, even a wedding license at a drive-through, so why not a flu shot? With a record 140 million flu vaccinations expected to be administered this year in the U.S., hospitals and health clinics from Norwood, Mass., to Randolph County, Ala., have started offering drive-by shootings, using concern about the regular old flu to help prep for outbreaks of potentially far graver diseases like avian flu and anthrax.

The curbside care is simple: you pull up, read about the risks and sign a consent form, then bare your bicep and get a shot--all without...