Supplemental Grant Application Instructions II-2 . Scenario C. Exempt Human Subjects Research If all of the proposed human subjects research meets the criteria for one or more of the exemptions from the requirements in the HHS regulations (46.101(b)) (see Part III Section 3 under Human Subjects Research
Adults with one of the above listed conditions who have not received any pneumococcal vaccine should get a dose of PCV13 first and should also continue to receive the recommended doses of PPSV23. Ask your health care provider for details.
And as you probably understand, your other insurance will always come first, and Medicare will be used to cover what the other one doesn't. I'm not 100% clear on how it works, even though I work in a hospital and formerly registered outpatients (now I'm the information desk person).