A major update of the Harmonized System (HS) for the customs classification of traded goods published on 21 January sets out new HS tariff headings for human vaccines and other essential health goods. These changes, carried out by the World Customs Organization (WCO) in close cooperation with the World Health Organization (WHO) and the WTO, aim to strengthening global preparedness for future health emergencies and improve the visibility of vaccine flows in international trade.World Trade Organization — Latest news