Research shows that the unvaccinated staff has a good chance of getting sick and passing that infection on to at-risk patients. Medical institutions that have adopted a requirement that their employees get the shot saw their rates of vaccination increase to an average of 98.1 percent, according to the CDC’s MMWR report.

Rapid and measurable increases in vaccination coverage followed institutional requirements, according to Vaccine. Another policy that has boosted shot rates in some hospitals, just shy of a full coverage mandate, is the condition that any employees who decline vaccination be required to wear a surgical mask while caring for patients or being within three feet of patients during the flu season.

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