Ty21a
id:
ty21a-297-10721596
title:
Ty21a
text:
Ty21a is a live attenuated bacterial vaccine that protects against typhoid. First licensed in Europe in 1983 and in the United States in 1989, it is an orally administered, live-attenuated Ty2 strain of S. Typhi in which multiple genes,
including the genes responsible for the production of Vi, have been deleted so as to render it harmless but nevertheless immunogenic. It is one of the three typhoid vaccines currently recommended by the World Health Organization. The vaccine is given by mouth. Th
brand slug:
wiki
category slug:
encyclopedia
description:
Typhoid vaccine
original url:
https://en.wikipedia.org/wiki/Ty21a
date created:
date modified:
2023-09-10T14:41:25Z
main entity:
{"identifier":"Q7859567","url":"https://www.wikidata.org/entity/Q7859567"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/33/Vivotif-typhoid-live-oral-vaccine.JPG","width":2566,"height":2302}
fields total:
13
integrity:
15