Mandatory influenza vaccination in healthcare professionals? Strong arguments are missing and important risks are taken

As stated previously2, vaccinating HCW would go against the principle of autonomy and restrict the right of HCW in the context that a public health intervention should be proportional to the available evidence on benefits of vaccinating. In this case, it does not seem justified since there is not available a highly effective seasonal flu vaccine3 and grade A evidence about the effectiveness of influenza vaccination among HCW preventing flu morbidity and mortality in patients is nonexistent4. Besides, vaccinating against influenza it is not a universal recommendation and infection has other ways to reach patients, since coverage does not confer herd immunity. Moreover, the unpredictability of their efficacy (there is not always a good match between circulating and vaccine virus strains) must be acknowledged.

http://www.bmj.com/content/344/bmj.e2217/rr/580256