[Comment] Bridging microbial physiology and diagnostic interpretation in cholera surveillance

The Article by Javier Perez-Saez and colleagues,1 published in The Lancet Microbe provides a field-based reanalysis of cholera diagnostics performance based on the latent-class Bayesian model. The authors discovered that the CholKit rapid diagnostic test (RDT) possesses high sensitivity (93·5%) and specificity (97·3%). Conventional culture fails in comparison (73·7%), which is a substantial breakthrough in the assessment of diagnostics in endemic conditions. The study reported that younger age, previous exposure to antibiotics, and sampling delays significantly diminish culture sensitivity but do not affect the accuracy of RDTs, which also correlates with the multifaceted nature of host, microbial, and methodological influences on diagnostic outcomes.