Che cosa significa “non rilevabile”?

  1. Avert. What does undetectable mean? Marzo 2018 Consultabile su https://www.avert.org/living-with-hiv/antiretroviral-treatment/what-does-undetectable-mean.
  2. Terrence Higgins Trust. The immune system. Giugno 2017. Consultabile su http://www.tht.org.uk/myhiv/HIV-and-you/Simple-science/The-immune-system.