This is definitely not a hospital I'd want to go to. The volunteers only sing an annoying song, so busy with singing they can't actually do anything to help fight disease. Paperwork is the most important thing in the hospital. And that's not to mention all the doctors eager to see some girl get her head cut off with a rusty knife.
Similar to the other books in the series, formula-wise, but the mystery of VFD is both thickening and unraveling.