Bhutta ZA, Khan MI, Soofi SB, Ochiai RL. New advances in typhoid fever vaccination strategies. Adv Exp Med Biol. 2011;697:17-39.
Nelson CB, de Quadros C. Coalition against typhoid: a new, global initiative to advance typhoid vaccination. Vaccine. 2011;29(38):6443.
Typhoid vaccine, live. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T908292/Typhoid-Vaccine-Live. Updated April 18, 2018. Accessed May 15, 2018.
Typhoid VI polysaccharide vaccine. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T908094/Typhoid-VI-Polysaccharide-Vaccine. Updated April 18, 2018. Accessed May 15, 2018.
Typhoid VIS. Centers for Disease Control and Prevention website. Available at:https://www.cdc.gov/vaccines/hcp/vis/vis-statements/typhoid.html. Updated June 18, 2013. Accessed May 15, 2018.