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2. Typhoid vaccine - Wikipedia

   en.wikipedia.org/wiki/Typhoid_vaccine

   Typhoid vaccines are vaccines that prevent typhoid fever. [1] [2] [3] Several types are widely available: typhoid conjugate vaccine (TCV), Ty21a (a live oral vaccine) and Vi capsular polysaccharide vaccine (ViPS) (an injectable subunit vaccine). They are about 30 to 70% effective in the first two years, depending on the specific vaccine in ...

3. Typhoid fever - Wikipedia

   en.wikipedia.org/wiki/Typhoid_fever

   Typhoid fever, also known simply as typhoid, is a disease caused by Salmonella enterica serotype Typhi bacteria, also called Salmonella typhi. [2] [3] Symptoms vary from mild to severe, and usually begin six to 30 days after exposure. [4] [5] Often there is a gradual onset of a high fever over several days. [4]

4. Asymptomatic carrier - Wikipedia

   en.wikipedia.org/wiki/Asymptomatic_carrier

   Asymptomatic carriers play a critical role in the transmission of common infectious diseases such as typhoid, HIV, C. difficile, influenzas, cholera, tuberculosis, and COVID-19, [2] although the latter is often associated with "robust T-cell immunity" in more than a quarter of patients studied. [3] While the mechanism of disease-carrying is ...

5. Vi capsular polysaccharide vaccine - Wikipedia

   en.wikipedia.org/wiki/Vi_capsular_polysaccharide...

   The Vi capsular polysaccharide vaccine (or ViCPS) is a typhoid vaccine recommended by the World Health Organization for the prevention of typhoid (another is Ty21a).The vaccine was first licensed in the US in 1994 and is made from the purified Vi capsular polysaccharide from the Ty2 Salmonella Typhi strain; it is a subunit vaccine.

6. Ty21a - Wikipedia

   en.wikipedia.org/wiki/Ty21a

   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.

7. Pathogen transmission - Wikipedia

   en.wikipedia.org/wiki/Pathogen_transmission

   An infectious disease agent can be transmitted in two ways: as horizontal disease agent transmission from one individual to another in the same generation (peers in the same age group) [3] by either direct contact (licking, touching, biting), or indirect contact through air – cough or sneeze (vectors or fomites that allow the transmission of the agent causing the disease without physical ...

8. Parents charged with abuse after child's botched circumcision ...

   www.aol.com/parents-charged-abuse-childs-botched...

   A couple has been arrested after authorities say they performed a botched circumcision on their son at their central Missouri home last week.. Prosecutors charged Tyler Wade Gibson, 35, with one ...

9. Outline of infectious disease concepts - Wikipedia

   en.wikipedia.org/wiki/Outline_of_infectious...

   The following outline is provided as an overview of and topical guide to concepts related to infectious diseases in humans.. Infection – transmission, entry/invasion after evading/overcoming defense, establishment, and replication of disease-causing microscopic organisms (pathogens) inside a host organism, and the reaction of host tissues to them and to the toxins they produce.