3. How does a measles vaccine prevent us from coming down with the measles disea

Question

3. How does a measles vaccine prevent us from coming down with the measles disease? Does the vaccine prevent us from being infected, or do vaccines prevent infection from progressing to disease?

4. The measles vaccine is an attenuatedstrain of the measles virus. What does this mean? Why would an attenuated strain be more effective against a measles infection than a "killed" or inactivated virus?

5. Why are the children of women who have been vaccinated moreat risk for getting measles than the children of women who had the measles disease?

6. Doctors are concerned about too little use of the vaccine among pre-school children. What is not being achieved?

Explanation / Answer

3.

Measles vaccine help in producing the antibodies against the measles causing pathogen. There are memory antibodies that prevent the upcoming disease to be occur. A vaccine prevent the infection from progressing to disease by teaching our immune system.

4.

Attenuated vaccines are those in which a pathogen is not dead but it is partially alive. This means that it can only induce the immune system to produce the antibody against it but it has no enough potential to cause the disease. A attenuated strain is more effective because its epitopes has potential to stimulate the immune system than a fully inactivated virus.

5.

The children who got the disease has naturally developed the memory cells against the virus. These children are confirmed that they have memory cells. The children who got vaccinated have chance that they were injected with mutated vaccine that will increase the chance of infection by the wild type virus.

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