42 CFR § 410.57 - Pneumococcal vaccine and flu vaccine.
(a) Medicare Part B pays for pneumococcal vaccine and its administration when reasonable and necessary for the prevention of disease, if the vaccine is ordered by a doctor of medicine or osteopathy.
(b) Medicare Part B pays for the influenza virus vaccine and its administration.
(c) Medicare Part B pays for the COVID-19 vaccine and its administration.
The following state regulations pages link to this page.