Document - The global secretariat has considered the appointment of six new members of the Global Validation Advisory Committee (GVAC) on the validation of elimination of mother-to-child transmission of HIV, syphilis and hepatitis B virus (HBV). The new members replace retiring members of the GVAC, as well as enhance the GVAC's expertise in key technical areas such as HIV/STI laboratory and maternal, newborn, child and adolescent health.