Test One way to avoid perhaps unnecessary revaccination and individualize booster doses would be to measure the cellular immunity of each person . This is what the immunologist Yvelise Barrios and the allergist Vctor Matheu are already doing, the two doctors at the University Hospital of the Canary Islands who have developed a skin test that detects if we have specific T cells to fight covid-19 by means of a superficial
At the moment, this test is serving to help in the consultation they have created to evaluate the immune response to covid, aimed at the most vulnerable patients such as immunosuppressed people, whose immune status is monitored after the third dose. However, we will still have to wait "a few months" for this test to be used on a large scale.
https://www.20minutos.es/noticia/4943373/0/test-cutaneo-inmunidad-proteccion-covid-vacunas-uso-racional/