Toxicology and Immunology
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Questions and Answers

What is the recommended timeframe for administering Ï’-globulin treatment?

  • Within 1-2 days of exposure
  • Within a week of exposure (correct)
  • Within 2-3 weeks of exposure
  • Within 1-2 months of exposure

Why is administration of Ï’-globulin unnecessary after the first 3 months of pregnancy?

  • Rubella rarely infects the fetus in the later months (correct)
  • The fetus is already infected
  • The vaccine is not effective during this period
  • The mother is already immune

What was the outcome of Meyer et al.'s study in 1966?

  • Unsuccessful attenuation of the rubella virus
  • Successful attenuation of the rubella virus (correct)
  • The virus became more virulent
  • No significant results were obtained

Where was the HPV77 strain of the rubella virus attenuated?

<p>African green monkey cell culture (D)</p> Signup and view all the answers

What is the purpose of administering Ï’-globulin after multiple exposures?

<p>To reduce the risk of infection after each contact (D)</p> Signup and view all the answers

What is the name of the strain isolated and attenuated in human diploid embryonic lung fibroblast cell cultures?

<p>RA27/3 (A)</p> Signup and view all the answers

What is mumps?

<p>A viral disease (C)</p> Signup and view all the answers

What is the typical duration of protection against rubella provided by vaccines?

<p>Many years (B)</p> Signup and view all the answers

Why was HPV77DK12 withdrawn from the UK market?

<p>It had adverse side effects (A)</p> Signup and view all the answers

What is the route of administration for the HPV77 strain?

<p>Intramuscular injection (A)</p> Signup and view all the answers
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