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Ty21a typhoid vaccine

Known as: Ty21a 
A live attenuated bacteria oral vaccine used to prevent typhoid, which is caused by Salmonella typhi.
National Institutes of Health

Papers overview

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Review
2005
Review
2005
Typhoid fever is estimated to have caused 21.6 million illnesses and 216,500 deaths globally in 2000, affecting all ages. There… Expand
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Review
2000
Review
2000
  • E. Engels, J. Lau
  • The Cochrane database of systematic reviews
  • 2000
  • Corpus ID: 33649247
BACKGROUND Whole cell vaccines, consisting of relatively crude preparations of Salmonella typhi administered parenterally, are… Expand
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Highly Cited
2000
Highly Cited
2000
Thirty healthy volunteers were randomised into three different treatment groups and consumed Lactobacillus GG, Lactococcus lactis… Expand
Highly Cited
1999
Highly Cited
1999
Currently, two different formulations of Ty21a live oral typhoid vaccine are commercialized. The enteric-coated capsule… Expand
Highly Cited
1996
Highly Cited
1996
The phoP/phoQ virulence regulatory genes of Salmonella typhi Ty2 were deleted, and the resultant strain (Ty800) was tested as a… Expand
Highly Cited
1994
Highly Cited
1994
This study was undertaken to elucidate whether eating a fermented milk containing Lactobacillus acidophilus La1 and… Expand
Highly Cited
1991
Highly Cited
1991
When tested under conditions of moderate transmission of typhoid fever, a liquid formulation of the oral typhoid fever vaccine… Expand
Highly Cited
1990
Highly Cited
1990
In a randomised, double-blind, controlled field trial in Santiago, Chile, 81,621 schoolchildren aged 5-19 years received three… Expand
Highly Cited
1987
Highly Cited
1987
Three doses, given within one week, of Ty21a attenuated Salmonella typhi oral vaccine in an enteric-coated formulation provided… Expand
Highly Cited
1981
Highly Cited
1981
Shigella sonnei, an intestinal pathogen, produces a characteristic form I cell surface antigen now known to be plasmid encoded… Expand