HIV Diagnostics SurveyThe 2014 HIV Diagnostic Survey assessed testing practices in public health labs as of that date. More. Our Work APHL examines public health lab science, practice and management in its technical publications. Publications List 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. It looks like your browser does not have JavaScript enabled. Please turn on JavaScript and try again.