CD4 and syphilis: Studies and program experiences have also shown that LHWs can provide high-quality POC testing for CD4 cell count, cryptococcal antigen, urinary mycobacterial tuberculosis lipoarabinomannan antigen, malaria, syphilis, and pregnancy, including near POC molecular testing for HIV early infant diagnosis, HIV viral load, and tuberculosis through Cepheid GeneXpert system [1,3,26–28].