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Frequently asked questions 

Can my child have the Hib/MenC jab together with the MMR and pneumococcal jabs?

My child is allergic to eggs. Can she have the MMR vaccination?

Can the MMR vaccination be given as three separate injections?

I don't know if my teenage daughter has had her second MMR jab. What should I do?

Does the MMR jab contain thiomersal (mercury)?

My child is due for his MMR jab but I am concerned about the connection between autism and MMR. Could it put him at risk?

Our son was born six weeks prematurely. Should we delay getting him vaccinated?

A month after I got vaccinated for MMR, I found out I was pregnant. Will my baby be ok?

Can I have single vaccines on the NHS? If not, where can I buy them?

My son is 18 and has been asked to have a second MMR jab before university. Is this sensible?

If my child develops a mild case of measles after receiving their first MMR vaccine, are they contagious to non-vaccinated children?

My baby had measles at the age of six weeks. Can I get the vaccine without the measles component?

We are due to go travelling and my 14-month-old son is due to have his MMR jab three weeks before we go. Will he have developed immnunity before we go? And can he have travel vaccines at the same time as the MMR?

My child is receiving their MMR jab tomorrow. How long should I leave it before taking them swimming?

Does MMR give a lifetime of immunity?

I have heard that mumps is going around. I thought that MMR prevented mumps, so why is this happening?

Our 14-month-old son had his MMR jab last week. I am 12 weeks pregnant - is there any risk of my son affecting my unborn child?

Can my child have the Hib/MenC jab together with the MMR and pneumococcal jabs?

Yes, these vaccines can be given together.

The recommended childhood vaccination schedule indicates that Hib/MenC is given at 12 months of age and the pneumococcal conjugate vaccine (PCV) is given at 13 months of age, along with MMR.

However, there is some flexibility in the schedule and Hib/MenC and PCV can be given at the same time, at either 12 or 13 months.

Where the routine schedule is not followed, extra care must be given to recording the vaccines on the child's medical records.

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My child is allergic to eggs. Can she have the MMR vaccination?

Yes, the MMR vaccine can be safely given to children who have a severe allergy to egg. This is because MMR vaccine is grown on chick cells, not the egg white or yolk. If you have any concerns, talk to your health visitor, practice nurse or doctor.

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Can the MMR vaccination be given as three separate injections?

Measles, mumps and rubella vaccines are not available separately on the NHS.

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I don't know if my teenage daughter has had her second MMR jab. What should I do?

It is important that she has the MMR jab now. If you are not sure whether she has ever had the MMR jab, she should have one dose now and make an appointment to have a second dose in three months' time. An extra MMR dose will not cause any harm.

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Does the MMR jab contain thiomersal (mercury)?

No, the MMR vaccine has never contained thiomersal (a preservative containing mercury that is used in some vaccines).

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My child is due for his MMR jab but I am concerned about the connection between autism and MMR. Could it put him at risk?

There is currrently no scientific evidence available to support the suggestion of a link between MMR and autism, so you should not worry. Your child should have his MMR jab to protect him against measles, mumps and rubella.

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Our son was born six weeks prematurely. Should we delay getting him vaccinated?

No. Babies should receive their vaccinations according to the recommended schedule, irrespective of when they are born.

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A month after I got vaccinated for MMR, I found out I was pregnant. Will my baby be ok?

Evidence from clinical trials suggests that there will be no harm to your baby. However, you should discuss this with your midwife or GP at the earliest possible opportunity to be further reassured.

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Can I have single vaccines on the NHS? If not, where can I buy them?

Measles, mumps and rubella vaccines are not available separately on the NHS.

The NHS does not recommend single measles, mumps or rubella vaccines because there is no evidence to support the use of single vaccines or to suggest that they are 'safer' than MMR. Having single vaccines puts your child at risk of catching measles, mumps or rubella in the gaps between the vaccines.

The NHS does not keep a list of private clinics that provide single vaccines. Any clinic that does offer these privately are unlicensed, which means there is no British testing on their safety and effectiveness.

No country in the world recommends MMR and then offers parents a choice of having single vaccines instead. Every independent expert group around the world (including the World Health Organization) supports the use of MMR, and none support the use of single vaccines.  

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My son is 18 and has been asked to have a second MMR jab before university. Is this sensible?

Many universities are recommending their students have MMR, because there have been outbreaks of mumps.

To ensure he is fully protected against mumps, he needs to have had two doses of MMR. Even if he has already had two doses of a measles vaccine, having a third to make sure he is protected against mumps will not cause any harm.    

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If my child develops a mild case of measles after receiving their first MMR vaccine, are they contagious to non-vaccinated children?

No. Post-vaccination symptoms are not infectious, so your child will not pass anything on to non-vaccinated children.  

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My baby had measles at the age of six weeks. Can I get the vaccine without the measles component?

Although your baby had measles at six weeks, it is still advised that they have the MMR. This will help protect your baby against mumps and rubella and will also boost the antibodies your baby has already developed against measles.  

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We are due to go travelling and my 14-month-old son is due to have his MMR jab three weeks before we go. Will he have developed immnunity before we go? And can he have travel vaccines at the same time as the MMR?

Immunity to measles, mumps and rubella starts to develop after two weeks, so having his MMR three weeks before travelling is fine. It is also fine to have other travel vaccines on the same day as the MMR.   

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My child is receiving their MMR jab tomorrow. How long should I leave it before taking them swimming?

There is no reason why your child cannot resume normal activities, including swimming, straight after receiving their MMR jab.   

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Does MMR give a lifetime of immunity?

The immunity that MMR gives is probably lifelong. It is known that individuals will remain immune for at least 30 years against measles, 23 years against rubella and 19 years against mumps - in other words, for the amount of time that the vaccines have been available. 

If in the future evidence shows that immunity is fading, decisions would be made about offering a further dose in, for example, the adult years.   

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I have heard that mumps is going around. I thought that MMR prevented mumps, so why is this happening?

You need two doses of MMR to be protected against mumps. MMR was introduced in 1988, with a second dose introduced in 1996, so some teenagers and young people have not had two doses of MMR. This has led to several recent outbreaks of mumps among this age group.

If you think this applies to you, you should book an appointment for the second dose now. If you have never had the MMR vaccine, you should have one dose now and another three months later.

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Our 14-month-old son had his MMR jab last week. I am 12 weeks pregnant - is there any risk of my son affecting my unborn child?

There is no risk to your unborn baby as it is impossible for anyone to catch any of the diseases from a child recently vaccinated with MMR.

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Last reviewed: 24/07/2009

Next review due: 24/07/2011

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