Here’s Why You Should Vaccinate Your Child Against Measles, Mumps, & Rubella

A nurse puts a Band-Aid on a child’s arm after giving the measles vaccine.

From late-night fevers to playground scrapes, you’re always there to protect your child. But what do you do when the unseen threats strike? Diseases like measles, mumps, and rubella may seem like a thing of the past, but outbreaks still happen, and they can have serious consequences for your children. Thankfully, we have a powerful and proven way to keep our kids safe: the MMR vaccine.

As parents, every milestone in your child’s life matters, and keeping them protected from harmful diseases is one of the best ways to support your child’s growth and well-being. Through it all, the MMR vaccine offers peace of mind, knowing your little one has strong immunity against three major childhood illnesses. 

At CMCFresno, we’re here to support your family with care that’s informed, compassionate, and focused on what matters most—your child’s health and future.

 

Don’t Leave Your Child Unprotected

How Serious Are Mumps, Measles, and Rubella for Children?

Mumps, measles, and rubella may seem like typical childhood illnesses no one worries about now, but they can cause serious, lasting health problems. Understanding the nature of each disease helps explain why the MMR vaccine is so important.

Measles

This illness typically begins with a high fever, cough, runny nose, and a distinctive rash. But what makes measles dangerous is how quickly it spreads. It’s one of the most contagious viruses in the world and can lead to severe complications like pneumonia, brain swelling (encephalitis), and—in rare cases—death.

Mumps

Characterized by swollen cheeks and jaw from inflamed salivary glands, mumps can also cause fever, headache, and muscle aches. In more serious cases, it can lead to hearing loss, meningitis, and swelling of the brain or reproductive organs.

Rubella (German Measles)

Rubella typically causes a mild rash and low fever. However, its real danger lies in its potential to cause complications during pregnancy. If a pregnant person contracts rubella, it can lead to congenital rubella syndrome, which may cause serious birth defects, including hearing loss, heart problems, and developmental delays.

These illnesses can have lifelong effects, not just for your child but for those around them. Immune shots offer the best defense, not only shielding your child from serious illness but also helping stop the spread of disease to others—especially newborns, the elderly, and those with weaker immune systems.

 

How the MMR Vaccine Works

The MMR vaccine is one of the most effective tools we have to protect children from measles, rubella, and mumps. It trains the immune system to recognize and fight these viruses, so if your child is ever exposed, their body is ready to defend itself.

The vaccine contains weakened versions of each virus, which are not strong enough to make your child sick, but just enough to teach their immune system what to look out for. Think of it like a training session: Their body learns to recognize and fight off these viruses, so if they ever come into contact with the real thing, their immune system already knows how to protect the body.

Here’s what the typical MMR schedule looks like:

  • First dose: Given between 12 and 15 months of age.
  • Second dose: Given between 4 and 6 years old (often before starting school).

This two-dose approach gives long-lasting protection and has been trusted by pediatricians for decades. It’s one of the most thoroughly studied vaccines available and continues to protect millions of children worldwide. 

 

Debunking Common Vaccine Myths

It’s natural to have questions about vaccines, especially when they involve your child. One common concern is the false claim that the vaccine causes autism. This idea started with a single, now discredited study that has since been widely debunked. 

Fortunately, extensive studies from the Centers for Disease Control and Prevention (CDC), the World Health Organization (WHO), and the American Academy of Pediatrics (AAP) have found no link between the MMR vaccine shots and autism.

Some parents also worry about side effects or giving “too many vaccines” at once. Here’s what you should know:

  • A child’s immune system can handle multiple vaccines. The schedule is designed for safe, timely protection.
  • Mild side effects, such as a low-grade fever or a mild rash, are common and usually go away quickly.
  • Serious reactions are extremely rare. The complications from the actual diseases are far more dangerous than any mild side effects from the vaccine. 

 

Community Immunity: Protecting Your Child and Everyone Around Them

When you stay on track with early childhood vaccines, you’re not just protecting your little one; you help protect others, too. This is known as community immunity or herd immunity. When your child gets vaccinated, they’re less likely to catch certain diseases, and even if they do, the vaccine helps their body fight it off quickly. That means they’re also less likely to pass it to others. This protects people around them who can’t get vaccinated, like newborns or those with serious health conditions. 

High vaccination rates matter because:

  • They stop outbreaks before they start.
  • They protect vulnerable people, like newborns and those with weakened immune systems.
  • They keep schools and public places safer for everyone. 

 

What Happens If Your Child Doesn’t Get Vaccinated?

Skipping vaccine shots may seem like a small, inconsequential choice, but it can have serious effects for your child and the people around them. Without protection from the MMR vaccine, your child is more vulnerable to dangerous viral illnesses and more likely to spread them to others.

 

Here’s what can happen when a child isn’t vaccinated:

  • Higher risk of infection: Unvaccinated children are more likely to catch measles, mumps, or rubella.
  • Severe complications: These illnesses can cause pneumonia, brain swelling, hearing loss, or even death.
  • Increased spread: Your child could pass the virus to babies, pregnant women, or those with weak immune systems. 
  • School and travel restrictions: Many schools, daycare centers, and countries require proof of MMR vaccination for enrollment or entry.
  • Community outbreaks: Low vaccination rates make it easier for these diseases to spread and spark avoidable outbreaks.

 

Healthy Kids, Stronger Communities

Three kids happily play outside, protected by the mumps vaccine they received from CMCFresno.

Vaccinating your child is more than a medical decision; it’s an act of love and protection. It helps them grow up healthy and also keeps others in your community safe. With just one vaccine, you’re giving your child constant, powerful protection against three serious diseases and helping prevent outbreaks that affect the most vulnerable.

If you have questions, don’t hesitate to talk to our pediatrician. We’re here to listen, support, and guide you every step of the way. Book your child’s MMR vaccine today at CMCFresno and take a confident step toward a healthier future for your family and your community.

 

Build Your Child’s Immunity Now

Frequently Asked Questions

1. What if my child has a cold or mild illness? Can they still get the MMR vaccine?

Yes, in most cases, children with mild sickness (like a low-grade fever or runny nose) can still receive the MMR vaccine. Though minor illnesses typically don’t affect the safety or effectiveness of the vaccine, always consult with your pediatrician.

 

2. My child missed their scheduled dose. What should I do?

Don’t worry! You don’t need to start over. Just schedule the missed dose as soon as possible. Your child can still get full protection by completing the recommended doses.

 

3. How do I find an MMR vaccine near me?

The easiest way is to contact your child’s pediatrician or local clinic like CMCFresno. Most pediatric offices and community health centers offer the MMR vaccine. You can also search “MMR vaccine near me” on Google, but always make sure the provider is licensed and trusted. 

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