The percent of hospital workers who got their flu shot. Higher is better.
A person can have and pass on the flu bug without knowing it. It is important that people working in the hospital have the flu shot to reduce the chance they could pass those germs on to a patient.
Health Care Personnel Vaccination Compliance Percentage [excluding other contract personnel and personnel with medical contraindication]: http://www.cdc.gov/nhsn/PDFs/HPS-manual/vaccination/HPS-flu-vaccine-protocol.pdf