Logistics (feasibility)
Cold-chain volume varies by product and presentation. In secondary packaging, volumes are 14.45 cm³/dose for the Typbar-TCV single-dose vial and 2.9 cm³/dose for its 5-dose vial; 14.7 cm³/dose for the TYPHIBEV single-dose vial and 2.9 cm³/dose for its 5-dose vial; 2.62 cm³/dose for ZyVac TCV; and 3.05 cm³/dose for SKYTyphoid Multi Inj.Go to footnote 1
For specific product characteristics, see the comparison table.Go to footnote 2
- Go back to footnote reference 1
World Health Organization (2026). WHO Prequalification of Medical Products: Typbar-TCV (single-dose and 5-dose presentations), TYPHIBEV® (single-dose and 5-dose presentations), ZyVac® TCV and SKYTyphoid Multi Inj. (https://extranet.who.int/prequal/vaccines/p/typbar-tcv; https://extranet.who.int/prequal/vaccines/p/typbar-tcv-0; https://extranet.who.int/prequal/vaccines/p/typhibevr; https://extranet.who.int/prequal/vaccines/p/typhibevr-0; https://extranet.who.int/prequal/vaccines/p/zyvacr-tcv; https://extranet.who.int/prequal/vaccines/p/skytyphoid-multi-inj, accessed 26 July 2026).
- Go back to footnote reference 2
For specific product characteristics, see the comparison table.