The roles and responsibilities of primary care and public health entities vary across this continuum, as does their
level of collaboration and integration. Given the complexities and resources involved in PrEP implementation,
organizations may be most effective to the extent that they capitalize on their strengths (e.g., community outreach
outreach among public health agencies, drug monitoring among primary care providers). Articulated below are
complementary and coordinated activities that are needed by primary care and public health agencies across the PrEP treatment cascade.