Viral-induced immunosuppression: Mechanisms underlying increased susceptibility to bacterial pneumonias following primary influenza and other viral infections; type I interferon-mediated immune responses
Innate host defense in lung: innate immune responses and neutrophil phenotypes in mediating pathogen clearance and lung injury
Microbiome: Respiratory microbiome, intermicrobial and host interactions
Sepsis and liver disease associated immunosuppression: epidemiology of infections in septic patients and critically ill patients with liver failure; mechanisms of immune dysregulation in sepsis, liver failure, and critical
illness
Lung cancer - Systems-based factors and outcomes
