immunocompromised

In 2021, an estimated 6.6 percent of U.S. adults were immunosuppressed. The estimate was 2.7 percent in 2013.

Repeated mRNA COVID-19 vaccination impairs the activation of immune cells that protect the body from infections and cancer.

One study shows that even the most vulnerable populations can clear the COVID-19 virus within a couple weeks rather than several months.

Genetically modified stem cells will be injected into the child’s bloodstream to build a new functional immune system, researchers say.