Should People With Immune Problems Get Third Vaccine Doses? July 4, 2021 Auto Bot antibodies, Clinical Trials, Coronavirus (2019-nCoV), Disease Rates, France, Immune System, influenza, Moderna Inc, Research, Transplants, United States, Vaccination and Immunization, your-feed-science 0 France is handing out third shots of the two-dose vaccines to cancer patients and others with immune system impairments. In the United States, patients like these are on their own.