Recurrent COVID-19 pneumonia in the course of chemotherapy: consequence of a weakened immune system?

One of the objectives that the scientific community is setting itself is to understand whether acquired immunity and the presence of antibodies against acute coronavirus 2 (SARS-CoV-2) antibodies protect against reinfection. Although there are many published papers describing how the re-positivization of nasopharyngeal swab polymerase chain reaction real time (RT-PCR) test and clinical healing of the subject can be justified by numerous reasons and random situations. Our aim is to highlight how there are certain populations more susceptible to re-infection than others. This article is protected by copyright. All rights reserved.