the SARS-CoV-2(1) Chloroquine(1) Immunosuppression(1) Patient(1) immunosuppressive therapy(1) Older(1) pause(1) intrinsic(1) pandemic(1) immunoglobulins(1) COVID-19 disease(1) antiviral immunity(1) doxycycline)(1) indication(1) metabolic conditions(1) SARS-CoV-2(1) Hydroxychloroquine(1) inhibitors(1) doxycycline(1) immunosuppressive(1) higher risk(1) immunomodulating(1) suppress(1) therapy(1) Cardiopulmonary(1) Autoimmune disease(1) Care(1) reduction(1) effective therapy(1) Course(1)