In patients who are immunocompromised, such as people living with HIV, the new fourth-generation QuantiFERON-TB Gold Plus (QFT-Plus) assay demonstrated similar sensitivity to the third-generation interferon-gamma release assay for the diagnosis of latent tuberculosis (TB), according to study results presented at American Society of Microbiology (ASM) Microbe 2019, held June 20 to 24 in San Francisco, California.