Meta-analysis of typhoid vaccine efficacy trials showed that whole cell vaccines are more effective than either the oral, attenuated vaccine or the Vi polysaccharide vaccine.
Plotkin
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Aubin
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Robbins
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D000284:Administration, Oral; D011135:Polysaccharides, Bacterial / Q000627:therapeutic use*; D014436:Typhoid-Paratyphoid Vaccines / Q000627:therapeutic use*; D014613:Vaccines, Attenuated / Q000627:therapeutic use; D015164:Vaccines, Inactivated / Q000627:therapeutic use
D011135:Polysaccharides, Bacterial; D014436:Typhoid-Paratyphoid Vaccines; D014613:Vaccines, Attenuated; D015164:Vaccines, Inactivated; C057664:Vi polysaccharide vaccine, typhoid