Dr. Maust studies the microbiota, focusing on characterizing the virome using next-generation sequencing. He is interested in how the microbiome impacts the risk of acquiring HIV through inflammation and other alterations of immunity and how antiretrovirals impact commensal bacteria and viruses. He collaborates closely with Dr. Jaspan and her global network of collaborators to answer these questions.

His clinical time includes the inpatient Infectious Disease Consult service and patients with CMV, HIV, or HSV infection in Virology clinic.