35 Advertising services, namely, public advocacy to promote public awareness of issues related to public health, the benefits of vaccines, vaccine hesitancy, the health risks of an under-immunized community, and equitable access to vaccines; Advertising services to promote public awareness of issues related to public health, the benefits of vaccines, vaccine hesitancy, the health risks of an under-immunized community, and equitable access to vaccines; procurement services for others, namely, purchasing vaccines