CD40LG and COVID-19: In the test performed by Dortet et al. [134], after 14 days of symptom onset of COVID-19, the NG-Test® IgG-IgM COVID All-in-One cassette (NG Biotech Laboratories, France) had the diagnostic sensitivity of 92.3% (95% CI, 82.2–97.1%) and specificity of 100% (95% CI, 91.1–100%).