ABOUT US. There are more than 9 million immunocompromised people in the United States. Almost half a million of those represent a population that are moderately to severely immunocompromised and at highest risk for severe COVID-19, including stem cell and solid organ transplant patients as well as those with hematologic cancers. At Invivyd, Inc., we take those numbers very seriously and we come to work each day on a mission to deliver protection ...