New trial investigates typhoid conjugate vaccine in Africa Posted on February 28, 2018 by admin The Typhoid Vaccine Acceleration Consortium, or TyVAC, recently launched a trial assessing the effectiveness and cost-effectiveness of the new typhoid conjugate vaccine, Typbar TCV®, among children in Malawi Post navigation Malawi is first African nation using new WHO approved typhoid vaccineIncreased Diagnoses of Typhoid Fever, Shigellosis Linked to SE Asia Visits