A centrifuge rotor containing capped tubes of sputum concentrate for AFB culture breaks during operation inside a Class II Biological Safety Cabinet (BSC). What is the most appropriate immediate action for the technologist?

Which serological marker pattern is most consistent with chronic Hepatitis B virus infection with high infectivity?

A research team is investigating the mechanisms of antifungal resistance in Candida albicans. They identify a strain that exhibits resistance to azole antifungal agents. Further analysis reveals overexpression of a specific ATP-binding cassette (ABC) transporter protein in the resistant strain. This mechanism of resistance involves:

A research team is investigating the host immune response to Mycobacterium tuberculosis. They discover that a specific mycobacterial glycolipid inhibits the maturation of phagosomes containing the bacteria, preventing their fusion with lysosomes. This mechanism allows M. tuberculosis to:

A patient with a prosthetic joint develops a chronic infection. Multiple synovial fluid cultures grow a Gram- positive coccus that forms a biofilm and is resistant to multiple antibiotics, including methicillin and gentamicin. The MOST likely organism is: