WHO/BS/2023.2454 WHO 4th International Standards for TSH (human, pituitary)

Measurements of serum thyroid-stimulating hormone (TSH) by immunoassay are an important component in the diagnosis of thyroid disorders and the subsequent...

WHO/BS/2023.5460 WHO 3rd International Standard for Protein S, Plasma

Protein S is a vitamin K co-factor for protein C, which is an inhibitor within the coagulation cascade. A lack of protein S can lead to thrombophilia;...

WHO/BS/2023.2455 WHO 1st Reference Reagent for DNA extraction of gut microbiome

The most common approach to studying the microbiome is to extract total community DNA from a sample, perform Next-Generation Sequencing (NGS) on this...

WHO/BS/2023.2456 WHO 1st International Standard for anti-Q Fever serum (human)

Query fever (Q fever) is a highly infectious zoonotic disease with worldwide prevalence. Q fever is caused by the Gram-negative coccobacillus Coxiella...