Re-evaluating herd protection by Vi typhoid vaccine in a cluster randomized trial

Assessing the Impact of a Vi-polysaccharide Conjugate Vaccine in Preventing Typhoid Infection Among Bangladeshi Children: A Protocol for a Phase IIIb Trial

(2019) Katherine Theiss-Nyland et al.   CLINICAL INFECTIOUS DISEASES

Unmasking herd protection by an oral cholera vaccine in a cluster-randomized trial

(2019) Mohammad Ali et al.   INTERNATIONAL JOURNAL OF EPIDEMIOLOGY

Efficacy and immunogenicity of a Vi-tetanus toxoid conjugate vaccine in the prevention of typhoid fever using a controlled human infection model of Salmonella Typhi: a randomised controlled, phase 2b trial

(2017) Celina Jin et al.   LANCET

New approaches to the assessment of vaccine herd protection in clinical trials

(2011) John Clemens et al.   LANCET INFECTIOUS DISEASES

A Cluster-Randomized Effectiveness Trial of Vi Typhoid Vaccine in India

(2009) Dipika Sur et al.   NEW ENGLAND JOURNAL OF MEDICINE

a study of typhoid fever in five Asian countries: disease burden and implications for controls

(2008) R Leon Ochiai   BULLETIN OF THE WORLD HEALTH ORGANIZATION