Respond to this post from a classmate: The Centers for Disease Control and Prevention (CDC) and the National Institutes of Health (NIH) developed the biosafety level (BSL) classification system in the United States, which divides biological agents into four levels (BSL-1 through BSL-4) according to their transmissibility, risk to human health, and accessibility to treatment or preventative measures. BL1-LS, BL2-LS, BL3-LS, and GLSP (Good Large-Scale Practice) are parallel systems used for industrial or large-scale bioprocessing. A similar four-tier system, known as Risk Groups 1 through 4, is used by the World Health Organization (WHO) to correspond with increasing pathogenesis and necessary containment. By using tiered safety procedures, both systems seek to safeguard employees, the environment, and the local population (CDC, 2020; WHO, 2004)