APHL Strengthens Public Health Lab SystemsLearn more about our work. Our Work APHL works to build effective laboratory systems in the US and globally. The association represents state and local governmental health labs that monitor and detect public health threats. APHL Brochure It looks like your browser does not have JavaScript enabled. Please turn on JavaScript and try again. Reports and Briefs It looks like your browser does not have JavaScript enabled. Please turn on JavaScript and try again. From APHL's LabBlog It looks like your browser does not have JavaScript enabled. Please turn on JavaScript and try again.