Competition Assay

Competition assay tests virulence factor. Mix mutant and WT strains of bacteria. If mutant has […]

Diagnosing Infectious Disease

Assays to diagnose infectious disease must be: specific (no false positives or cross reactivity); and […]

Host Cell Invasion Assay

Petri dish with host cells kanr Innoculate these with kans bacteria Incubate, & some cells […]

Lethal & Infectious Dose 50

Virulence can be measured via LD50 (Lethal Dose 50) and ID50 (Infectious Dose 50), which […]


First described in 1877, xenodiagnosis is a direct method of diagnosing whether a patient is […]

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