Abstract Acute radiation syndrome (ARS) is a major cause of lethality following radiation disasters. A TLR5 agonist. entolimod. is among the most powerful experimental radiation countermeasures and shows efficacy in rodents and non-human primates as a prophylactic (radioprotection) and treatment (radiomitigation) modality. https://danddcollectiblers.shop/product-category/pacifiers/