Tuberculosis Vaccination and Immunity
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Questions and Answers

What is the primary purpose of vaccinating newborns against tuberculosis in the first week of life?

To prevent the development of severe forms of tuberculosis

What is the key genetic difference between the M. Bovis (BCG) vaccine strain and virulent MBT strains?

The M. Bovis (BCG) vaccine strain lacks a fragment of the RD1 genome that encodes the secretion of CFP10 and ESAT6 proteins

What is the duration of specific immunity against tuberculosis following vaccination with the BCG vaccine?

Up to 7 years of age

What proteins are encoded by the RD1 genome fragment that are involved in the virulent properties of MBT strains?

<p>CFP10 and ESAT6 proteins</p> Signup and view all the answers

What is the age range during which newborns are vaccinated against tuberculosis in this country?

<p>Days 3-7 of life</p> Signup and view all the answers

What is the significance of the RD1 genome fragment in determining the virulent properties of MBT strains?

<p>The RD1 genome fragment encodes the secretion of CFP10 and ESAT6 proteins, which determine the main virulent properties of the pathogen.</p> Signup and view all the answers

Why is the M.Bovis (BCG) vaccine strain used for vaccination against tuberculosis?

<p>The M.Bovis (BCG) vaccine strain is used because it lacks the RD1 genome fragment, which determines the virulent properties of MBT strains, making it non-pathogenic.</p> Signup and view all the answers

What is the role of CFP10 and ESAT6 proteins in the pathogenesis of tuberculosis?

<p>CFP10 and ESAT6 proteins are involved in the virulent properties of MBT strains, enabling the bacterium to cause disease.</p> Signup and view all the answers

How does the M.Bovis (BCG) vaccine strain contribute to the development of long-term immunity against tuberculosis?

<p>The M.Bovis (BCG) vaccine strain induces a long-term specific immunity against tuberculosis by stimulating an immune response against the bacterium.</p> Signup and view all the answers

What is the significance of vaccinating newborns against tuberculosis in the first week of life?

<p>Vaccinating newborns against tuberculosis in the first week of life helps to prevent the development of severe forms of tuberculosis in children.</p> Signup and view all the answers

Study Notes

Formation of Anti-Tuberculosis Immunity

  • Newborns are vaccinated against tuberculosis on days 3-7 of life in our country to prevent severe forms of the disease.
  • The vaccine contains live strains of M.Bovis (BCG).
  • The M.Bovis (BCG) vaccine strain lacks the RD1 genome fragment, which encodes the secretion of CFP10 and ESAT6 proteins.
  • CFP10 and ESAT6 proteins determine the main virulent properties of the tuberculosis pathogen.
  • As a result of vaccination, a long-term specific immunity against tuberculosis is formed.
  • This immunity lasts up to 7 years of age, either under or over.

Formation of Anti-Tuberculosis Immunity

  • Newborns are vaccinated against tuberculosis on days 3-7 of life in our country to prevent severe forms of the disease.
  • The vaccine contains live strains of M.Bovis (BCG).
  • The M.Bovis (BCG) vaccine strain lacks the RD1 genome fragment, which encodes the secretion of CFP10 and ESAT6 proteins.
  • CFP10 and ESAT6 proteins determine the main virulent properties of the tuberculosis pathogen.
  • As a result of vaccination, a long-term specific immunity against tuberculosis is formed.
  • This immunity lasts up to 7 years of age, either under or over.

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Description

This quiz covers the formation of anti-tuberculosis immunity, specifically the vaccination process in newborns and the role of the BCG vaccine strain in preventing severe forms of the disease. It also explores the proteins involved in determining the virulent properties of the tuberculosis pathogen.

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