MEDIUM 199

IDENTIFICATION AND USE: Medium 199 was originally developed for nutritional studies of chick embryo fibroblasts. It has broad species applicability, particularly for cultivation of non-transformed cells. Medium 199 is widely used in virology, vaccine production, and in vitro cultivation of primary explants of mouse pancreatic epithelium, and rat lens tissues.

Medium 199 contains unique components, including adenine, adenosine, hypoxanthine, thymine, and additional vitamins. Medium 199 is available with Earle’s salts for use in a CO2 incubator, or with Hank’s salts for use without CO2.

FOUND IN THE FOLLOWING VACCINES: DTAP + IPV + HIB (PENTACEL), MMR (MMR-II)