This week, the FDA-approved antiretroviral lenacapavir as it showed treatment benefits; Oral Vancomycin Prophylaxis was explored for preventing C difficile in stem cell transplant recipients; Research into the after-effects of SARS-CoV-2 (PASC) uncovers biomarkers for post-infection sequelae; Chronic hepatitis B worsens COVID-19 outcomes, and cabotegravir ultra-long-acting (CABULA) has shown positive results.