
The MMR vaccine is a safe and effective way to prevent measles, mumps, and rubella (German measles). It is a live vaccine, meaning it contains a weakened version of these three diseases. The vaccine is typically given to children in two doses, the first between 9 and 15 months of age, and the second between 4 and 6 years of age. The MMR vaccine is important as it helps to prevent serious complications from these diseases, such as meningitis, congenital defects, blindness, and hearing loss. While the MMR vaccine is effective, it may not prevent mumps or rubella in people who are already infected.
| Characteristics | Values |
|---|---|
| What does the MMR vaccine protect against? | Measles, mumps, and rubella (German measles) |
| Who should get the MMR vaccine? | Babies, young children, older children, adolescents, adults, and people at increased risk for mumps during an outbreak |
| How many doses are required? | Two doses for full protection; a third dose may be recommended during a mumps outbreak or for women of childbearing age who have received two doses but have rubella serum IgG levels that are not clearly positive |
| When are the doses administered? | The first dose is given when the child is 1 year old, and the second dose is administered when the child is between 3 years 4 months and 5 years old. The second dose may be given as early as one month after the first dose. |
| Are there any side effects? | Mild side effects may include a raised, blotchy rash, fever, soreness at the injection site, and pain or redness at the injection site. Severe allergic reactions occur very rarely. |
| Who should not get the MMR vaccine? | People with weakened immune systems, those with severe allergies to any ingredients in the vaccine, and pregnant women |
| Can the MMR vaccine be given at the same time as other vaccines? | Yes, the MMR vaccine can be given at the same time as most other vaccines except for the yellow fever vaccine. |
| How effective is the MMR vaccine? | Two doses of the MMR vaccine are about 97% effective at preventing measles and rubella and 86-88% effective at preventing mumps. |
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What You'll Learn

The MMR vaccine is safe for children and adults
The MMR vaccine is generally considered safe for children and adults. It is a vaccine against measles (also known as rubeola), mumps, and rubella (also known as German measles). The MMR vaccine is administered as an injection into the upper arm or thigh and is usually given in two doses for full protection. The first dose is typically given to children around 9 months to 15 months of age, with the second dose at 15 months to 6 years of age, with at least four weeks between the doses.
The MMR vaccine is important for children as it protects them from measles, mumps, and rubella, which are potentially serious diseases caused by viruses. In children younger than 7 years old, there is a very small increased risk of febrile seizures approximately 6 to 14 days after MMR vaccination, occurring in about 1 in 3,000 to 4,000 children. However, the benefits of the vaccine in preventing these diseases far outweigh the minimal risks associated with vaccination.
For adults, the MMR vaccine is also recommended if they did not receive it during childhood or if they do not have evidence of immunity. The MMR vaccine can be given at any age and is safe for adults. However, there are some mild side effects that may be more common in adults, such as joint pain and temporary arthritis, which occur more frequently in adults than in children, especially in women.
While the MMR vaccine is generally safe, there are some individuals who should not receive it. Those who have had a severe allergic reaction to any of the components of the vaccine, including neomycin or gelatine, should not get the vaccine. Additionally, pregnant women should wait until after pregnancy to receive the MMR vaccine and should avoid getting pregnant for at least one month after vaccination.
Extensive research has been conducted on the safety and efficacy of the MMR vaccine, and it has been widely used worldwide. The vaccine has been shown to significantly reduce the risk of contracting measles, a highly contagious and potentially deadly disease. The MMR vaccine has helped to reduce the number of measles-related deaths and has contributed to community immunity, protecting those who cannot be vaccinated due to medical conditions or age.
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The MMR vaccine is not suitable for everyone
The MMR vaccine is a safe and effective way to prevent measles, mumps, and rubella. It is recommended for all babies and young children and is usually given in two doses for full protection. The first dose is typically given when a child is one year old, and the second dose is administered when the child is between three years and four months old and five years old. However, the MMR vaccine is not suitable for everyone.
Firstly, the MMR vaccine is not recommended for individuals who have had a severe allergic reaction to a previous dose of the MMR or MMRV vaccine or have any severe, life-threatening allergies. This includes allergies to specific ingredients in the vaccine, such as gelatin or neomycin.
Secondly, the MMR vaccine is not advised for pregnant women or those who may be pregnant. It is essential to wait until after pregnancy to receive the MMR vaccine and to avoid becoming pregnant for at least one month after vaccination. This is because the MMR vaccine contains live viruses, and there are potential risks to the unborn baby if the mother receives the vaccine during pregnancy.
Additionally, individuals with weakened immune systems, either due to a health condition or medications that suppress the immune system, should not receive the MMR vaccine. This is because the vaccine contains live, weakened viruses, and individuals with compromised immune systems may not be able to handle even the weakened form of the virus effectively.
Furthermore, those with a history of seizures or a family history of seizures should inform their healthcare provider before receiving the MMR vaccine. Similarly, individuals taking or planning to take salicylates, such as aspirin, should disclose this information to their healthcare provider before vaccination.
Lastly, individuals who are moderately or severely ill should typically wait until they recover before receiving the MMR vaccine. This is to ensure that their body can effectively handle the vaccine and to avoid any potential interference with their recovery from the illness.
While the MMR vaccine is generally safe and effective, it is always important to consult with a healthcare provider to determine if it is suitable for an individual's specific circumstances.
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The MMR vaccine is not recommended during pregnancy
The MMR vaccine is a live vaccine, meaning it contains a weakened version of the measles, mumps, and rubella viruses. While the MMR vaccine is generally safe, there is a theoretical risk to the baby if it is taken during pregnancy. Live vaccines are therefore not recommended for pregnant women.
If a pregnant woman did not receive the MMR vaccine as a child, she should get the vaccine before becoming pregnant. This is to reduce the risk of contracting rubella, which can be passed on to the unborn child, causing Congenital Rubella Syndrome (CRS). CRS can cause severe birth defects and neurodevelopmental problems.
Pregnant women who have been exposed to measles but are not immune may be eligible for IVIG treatment. However, possible infection or exposure to measles should be carefully and expediently investigated, and reproductive health providers should follow local health guidance.
While there is no evidence to suggest that getting the MMR vaccine during pregnancy can increase the chance of birth defects, there has been one documented case of a pregnant woman receiving the MMR vaccine during the first trimester, after which her baby was diagnosed with CRS. However, it is important to note that this is very rare in the general population.
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The MMR vaccine is administered via injection
The MMR vaccine is recommended for all babies and young children, but older children and adults can also receive it if they were not vaccinated when younger. The NHS recommends two doses as part of the vaccination schedule for babies and young children. The first dose is usually given when the child is one year old, and the second when they are between three years and four months and five years old. If the vaccine is administered to older children or adults, the two doses should be given at least one month apart.
The MMR vaccine is not suitable for everyone. It is not recommended for those with a history of hypersensitivity to any component of the vaccine, including gelatin, or those who have previously had a serious allergic reaction (anaphylaxis) to any ingredients in the vaccine. It is also not recommended for those who are immunodeficient or immunosuppressed, or for those who are pregnant or planning to become pregnant within the next month.
The MMR vaccine is a vital tool in protecting against measles, mumps, and rubella. These diseases can have serious consequences, especially during pregnancy. Rubella, for example, can cause significant congenital defects if contracted by a pregnant woman, potentially leading to serious birth defects or even death for the unborn baby.
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The MMR vaccine is effective in preventing serious illness
The MMR vaccine is highly effective in preventing serious illness. It protects against measles, mumps, and rubella (German measles), which are all potentially serious diseases caused by viruses. Before the introduction of the MMR vaccine, measles resulted in 2.6 million deaths per year, a number that has decreased to 122,000 as of 2012, mostly in low-income countries.
The MMR vaccine is given as an injection and contains live, weakened viruses of measles, mumps, and rubella. This means that the vaccine won't give you the full-blown illness, but your immune system will recognize the viruses and be able to fight them off if you're exposed in the future. Two doses of the MMR vaccine are recommended for full protection, with the first dose typically given to children around 9 months to 15 months of age and the second dose at 15 months to 6 years of age.
The MMR vaccine is safe for most people and is recommended for all babies and young children. Older children and adults who did not receive the vaccine when they were younger can also receive it. However, some people with weakened immune systems or severe allergies should not get the MMR vaccine or should consult their healthcare provider before doing so.
The MMR vaccine is highly effective in preventing serious illness caused by measles, mumps, and rubella. It is estimated that two doses of the vaccine are 97% effective at preventing measles and rubella and 86% to 88% effective at preventing mumps. While some vaccinated people may still get infected, they typically experience milder symptoms and are less likely to spread the disease to others.
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Frequently asked questions
The MMR vaccine is a shot that can protect you and your child from getting measles, mumps and rubella.
The MMR vaccine is recommended for all babies and young children, but older children and adults can also get it if they were not vaccinated when they were younger.
Healthcare providers recommend two doses of the MMR vaccine, with at least four weeks between the doses.
Side effects of the MMR vaccine are generally mild and may include fever, pain or redness at the injection site.



























