Vaccination as health care strategies

Question 1

What type of IG is passively transferred I.U? Why?

Answer 1

IgG

It can pass through tissues/placenta

Question 2

What type of Ig is passively transferred during lactation?

Answer 2

Secretory IgA

Question 3

At what age does the immune response fully develop? Describe levels before this

Answer 3

4-5
Before birth = high levels of mother IgG
At birth these drop as they are not being transferred across placenta
IgM slowly increase (they Strat being made at low levels before birth)
Between birth and 1 = highly vulnerable

Question 4

What is herd immunity?

Answer 4

Majority of population are vaccinated which protects the susceptible minority as they chain of infection decreases

Question 5

How is measles spread?

Symptoms?

Answer 5

Sneezing, coughing

Cold like, fever, loss of appetite, Kopliks spots

Question 6

Why is MMR vaccine more effective than measles vaccine?

Answer 6

It is a combination vaccine = adjuvant effect

Question 7

Why is it critical to establish herd immunity?

Answer 7

To protect susceptible population e.g. unimmunised babies or patients in leukaemia reminission

Question 8

Why are young people more susceptible to measles?

Answer 8

Demographic - Uni, festivals

Question 9

What is the effect of measles on pre-existing immunity?

Answer 9

Causes immune suppression and decreased memory