CCL2 and laryngotracheoesophageal cleft: Additionally, various monocyte cell populations (NcMono, cMono, and IntMono) demonstrated a reduced ability to produce inflammatory cytokines such as IL-1β, IL6, IL12, TNFα (Supplementary Figures 3C–E, G, H) and macrophage inflammatory chemokines (MIP1β, MCP1) (Supplementary Figures 3B–F) in both COVID and LC patients compared to unexposed HD or Recovered subjects.