GHL's social welfare purposes include the development of innovative solutions to address unmet needs in primary health care centers and the LAST MILE in low and middle-income countries ("LMI countries"). To pursue its social welfare purposes, GHL plans to conduct the following activities: (1) develop new tools and technologies for the diagnosis, surveillance, and treatment of diseases disproportionately affecting LMI countries; (2) develop innovative technologies to improve primary health care and primary health care centers in LMI countries; and (3) develop solutions for cold chain and LAST-MILE challenges in LMI countries.