Prevent Daycare Sickness With These Smart Strategies

Starting daycare can be a big milestone for both kids and parents. It means new friendships, fun activities and growing independence. But along with the excitement often comes a familiar downside: the near-constant stream of sniffles, coughs and surprise stomach bugs.

The reality is, child care environments are hotspots for germs. Young children are still building their immune systems and haven’t mastered the art of keeping their fingers out of their noses—or off each other’s snacks. So, it’s no wonder many families find themselves in a cycle of back-to-back illnesses during those early months (or years). For parents, this can mean missed work, cancelled plans, disrupted sleep and the stress of caring for sick kids.

While some illnesses are inevitable, there are ways to reduce how often your child gets sick—and how hard it hits when they do. Here’s how to help your little one thrive in group care while keeping germs at bay.

Why is daycare a hotspot for germs?

“Young children have developing immune systems and are often having their first exposure to a range of viruses once they start daycare,” says Dr. Sarah Khan, infectious disease specialist at McMaster Children’s Hospital.

“They may not share toys well, but they definitely share germs—coughing, sneezing, mouthing toys, and runny noses are all ways viruses in respiratory secretions can be passed along to classmates,” she adds.

Some of the most common illnesses in daycare include:

• Common colds (caused by many different viruses)
• Respiratory infections like RSV and influenza
• Gastro bugs such as norovirus or rotavirus (causing vomiting or diarrhea)
• Hand, foot and mouth disease
• Pink eye (conjunctivitis), which can be viral or bacterial
• Ear infections (often secondary to viral illness)
• Strep throat (more common in kids over age three)

“Most of these illnesses tend to be mild, especially in children who are up to date on recommended vaccinations for illnesses where vaccines are available,” says Dr. Natasha Collia, a pediatric emergency physician. “Most kids recover well at home with rest, fluids and supportive care.”

Understanding how germs spread in daycare settings

Germs are everywhere, but the daycare environment is particularly efficient at spreading them. With dozens of curious, active kids touching the same toys, sharing snacks and interacting closely, it doesn’t take much for an illness to pass from one child to another.

There are a few main ways germs are transmitted in daycare:

• Direct contact: Germs can spread through hugs, high-fives, hand-holding or simply playing closely with another child who is sick.
• Indirect contact: Toys, doorknobs, tables and books can harbour viruses and bacteria that spread when a child touches a contaminated surface and then rubs their eyes, nose or mouth.
• Droplet transmission: When kids cough, sneeze or talk closely, respiratory droplets can travel through the air and land on surfaces or other children.
• Fecal-oral transmission: Sounds gross, but it's true and all too common. And it doesn't just happen in diapering areas but also among little ones who are still learning how to wipe properly and may not wash their hands thoroughly after using the bathroom.

Viruses like norovirus and RSV can survive on surfaces for hours, so frequent cleaning and handwashing are essential.

Effective hand washing techniques for kids and caregivers

Handwashing is one of the most effective ways to prevent illness in daycare, but for young children, it’s a habit that requires lots of practice, both at daycare and at home.

The right way to wash hands

Make sure your kids follow these steps:

1. Wet hands with clean, running water (warm or cold)
2. Apply soap and lather thoroughly
3. Scrub all parts of the hands—including between fingers and under nails—for at least 20 seconds (singing “Happy Birthday” twice is a great timer)
4. Rinse under running water
5. Dry hands with a clean towel or air dry

How daycares can support kids' hygiene

Because young kids often rush through washing or skip steps altogether, caregivers should lead by example and make handwashing a routine part of the day. Some centres use songs or visual cues near sinks to help children remember what to do, and staff members often assist younger toddlers directly.

To reduce germ transmission, children and staff should wash their hands:

• Before eating or handling food
• After using the toilet or changing diapers
• After playing outside
• After sneezing, coughing, or wiping noses
• Upon arrival and before heading home

What about hand sanitizer?

Alcohol-based hand sanitizers (containing at least 60 percent alcohol) can be a helpful backup when soap and water aren’t immediately available, but aren’t as effective when hands are visibly dirty. In daycare settings, sanitizer should only be used under adult supervision and never as a complete replacement for proper handwashing.

Is my kid's childcare centre hygienic enough?

While no daycare setting can eliminate germs entirely, some do a much better job of managing and minimizing their spread. As a parent, knowing what to look for—and what to ask—can help you feel more confident that your child is in a healthy daycare environment.

Hygiene and cleaning practices

Start by observing how clean the daycare appears, especially in high-traffic areas like play zones, bathrooms and diaper-changing stations.

Ask the daycare staff how often they:

• Clean and disinfect toys and surfaces
• Wash hands after diaper changes
• Sanitize shared items and common areas

Illness policy

The daycare should have a clear policy for when sick children should stay home and when they’re allowed to return. Ask questions like:

• What symptoms warrant keeping a child home?
• How long must a child be fever-free before returning?
• Are parents informed when there’s a known illness circulating?

Ventilation and air quality

Proper airflow can make a big difference in reducing the transmission of airborne viruses. Ask if the centre has:

• Windows that open for fresh air
• HEPA filters or air purifiers
• HVAC systems that are regularly maintained

Staff-to-child ratio

A lower staff-to-child ratio isn’t just important for supervision—it also allows caregivers to more closely monitor hygiene habits, guide proper handwashing and respond quickly to signs of illness.

Building a partnership

Finally, open communication with the daycare staff is key. Don’t hesitate to ask questions about their health practices and let them know about any changes in your child’s health. A collaborative relationship ensures that both you and the caregivers are working together to support your child’s well-being.

5 ways to support your child's immune system

If your child seems to catch every bug going around daycare, you’re not alone—and it doesn’t mean something is wrong with their immune system. “Young kids—especially in daycare or preschool—are going to get sick a lot. It’s actually how their immune system learns. Most kids have 8–10 colds a year at this age,” says Dr. Cathryn Tobin, pediatrician and creator of Healthiest Baby.

While there’s no magic solution to stop illnesses entirely, you can support your child’s immune health through daily habits and a well-rounded lifestyle.

Dr. Collia explains: “It’s so natural for parents to want to do everything possible to keep their children healthy, especially when illness feels constant. While the term ‘boosting the immune system’ is often used online, it can be a little misleading. The immune system isn’t something we can ‘supercharge’ or turn on and off with specific products. What we can do is support a child’s overall health in ways that help their immune system function at its best.”

The most reliable, evidence-based ways to support a child’s immune system include:

• A balanced, nutritious diet Focus on regular meals that include fruits, vegetables, whole grains, protein and healthy fats. These provide the vitamins and nutrients the body needs to stay strong and fight off infections.
• Plenty of sleep Rest is essential for immune health. Most young children need between 10 to 13 hours of sleep in a 24-hour period, depending on their age. A consistent bedtime routine can help make this more manageable.
• Regular physical activity Daily play, whether indoors or outside, helps children burn off energy, regulate stress and support immune function.
• Good hygiene habits Handwashing, covering coughs and avoiding shared items like cups or utensils all help reduce germ transmission.
• Staying up to date on vaccinations Vaccines are one of the most effective tools we have to prevent serious illness. Make sure your child is up to date on their routine immunizations.

“There’s a lot of noise out there and it can be hard to separate fact from fad,” says Dr. Collia. “While it’s tempting to try quick fixes or follow trends shared online, there’s no single food, supplement, or remedy that can prevent illness entirely. Immune health is complex and built over time.”

What about supplements?

“For most healthy children, supplements aren’t necessary if they’re eating a well-rounded diet,” says Dr. Collia. “There are exceptions, such as children with diagnosed dietary restrictions, certain chronic illnesses, or malabsorption conditions. In those cases, supplements may be appropriate, but they should be recommended and monitored by a healthcare provider who is managing the child’s care.”

Ultimately, there’s no shortcut to a strong immune system—but steady routines, quality sleep, balanced nutrition and regular movement go a long way in helping your child thrive through daycare (and beyond).

5 at-home strategies to reduce illnesses

Even with the best hygiene practices at daycare, germs can still hitch a ride home with your child. The good news? A few simple habits at home can help reduce the chance of those germs spreading to the rest of the family.

Reinforce handwashing habits

Make handwashing the first thing your child does when they walk in the door. Use soap and warm water and encourage scrubbing for at least 20 seconds. Parents can help by washing their own hands at the same time—kids are more likely to follow suit when they see grown-ups doing it, too.

“When kids get home from daycare, they should wash their hands and possibly even change clothes,” says Dr. Tobin. “Consider moving the bedtime bath to after daycare.”

Handle daycare items with care

Backpacks, lunchboxes and stuffed toys can carry germs from daycare into your home. Designate a drop zone near the entrance for daycare gear, ideally away from food prep areas and high-traffic surfaces.

Dr. Khan recommends minimizing how often these items land on kitchen counters or dining tables, where germs could be transferred to hands or food. She also emphasizes careful handling of any items that may have come into contact with bodily fluids (like used tissues or diapers), followed by thorough handwashing.

Teach respiratory etiquette

Even toddlers can start learning how to cover their coughs and sneezes. Practice using elbows instead of hands and have tissues accessible for runny noses. Encourage your child to dispose of tissues right away and wash their hands afterward.

Stay consistent with sleep and meals

After a stimulating day at daycare, it’s easy for routines to slide. But sticking to a consistent sleep schedule and providing nutritious meals supports your child’s ability to recover from or fight off illness. A tired or undernourished body is more susceptible to getting sick.

Keep surfaces and toys clean

At the end of each day, wipe down high-touch surfaces like doorknobs, light switches, tabletops and shared toys, especially during cold and flu season. Disinfecting doesn’t have to be overwhelming; a quick daily routine using soap and water or a child-safe disinfectant goes a long way.

When to keep your child home from daycare (and when it's okay to send them)

It’s a dilemma many parents face—your child has a runny nose or a mild cough but otherwise seems fine. Do you send them to daycare or keep them home?

While some symptoms (like a light sniffle) don’t always mean a child needs to stay home, others are more concerning and warrant a day of rest and recovery. Knowing the difference can help reduce the spread of illness to other children and caregivers while ensuring your child gets the care they need.

Dr. Collia recommends staying home for:

• A fever of 38°C (100.4°F) or higher
• Vomiting or diarrhea within the past 24 hours
• A sore throat, persistent cough or difficulty breathing
• Thick yellow or green eye discharge, which may indicate bacterial conjunctivitis
• An unexplained rash, especially if it’s accompanied by fever
• Any signs that your child isn’t well enough to participate in regular activities (such as being overly tired, not eating or drinking well, or unable to be comforted)

“We recognize it’s not always easy for parents and caregivers to keep children home, whether due to work, childcare arrangements, or other responsibilities,” says Dr. Collia. “Still, when possible, keeping your child home can help reduce the spread of illness to others and give them the rest they need to recover.”

In certain cases, such as confirmed salmonella infection, daycares may require a doctor’s clearance or a negative test result before your child can return. “In those situations, your healthcare provider or local public health unit may provide further instructions,” says Dr. Khan.

A guide to daycare communication

Clear communication between parents and daycare staff ensures that everyone is on the same page when it comes to hygiene, illness prevention and how to handle sick days.

Here are a few ways parents can work with their daycare to support a healthier environment for all:

• Get familiar with illness policies. Every daycare should have a written policy outlining when children need to stay home, how long they should be symptom-free before returning and what steps are taken when a child becomes ill during the day. Don’t hesitate to ask for clarification if anything is unclear.
• Be proactive about sharing health information. Let staff know about any recent illnesses in your home, even if your child seems fine now. This helps daycare providers monitor for potential outbreaks and gives them a heads-up in case symptoms reappear.
• Discuss your child’s specific needs. If your child has allergies, asthma, or a chronic condition that could mimic illness symptoms (like a persistent cough), let caregivers know. Providing this context can prevent unnecessary concern or confusion.
• Ask questions about cleaning and hygiene practices. It's perfectly reasonable to inquire about how often toys and surfaces are sanitized, how handwashing is encouraged and what ventilation systems are in place. A reputable daycare will be happy to share its protocols.
• Work together on developing good habits. Reinforce at home what’s being taught at daycare—like proper handwashing, covering coughs and not sharing water bottles. Consistency between environments helps children learn and remember these habits more easily.
• Be respectful and understanding. Remember, daycare providers are balancing the needs of many families. Staying flexible, empathetic and open to conversation goes a long way in building a strong relationship.

The bottom line

Daycare is an incredible place for children to grow, socialize and thrive, but it also comes with the reality of frequent illness. While some exposure to germs is a normal and necessary part of early immune system development, there are plenty of practical steps parents can take to minimize how often those daycare bugs make the rounds.

From encouraging good hygiene habits and supporting your child’s immunity to asking the right questions about your daycare’s health policies, small daily actions can make a big difference.

Experts

Dek: Germs are part of the daycare experience, but there are practical ways to reduce how often your child gets sick and how severely it impacts your family.

• Dr. Sarah Khan, infectious disease specialist at McMaster Children’s Hospital
• Dr. Cathryn Tobin, pediatrician and founder of Healthiest Baby
• Dr. Natasha Collia, Pediatric Emergency Physician