How to Protect Your Newborn From Older Siblings and Daycare Germs - what actually works!

Updated: April 2026

Written by Meg - a mom of three (ages 5, 3, and 1) in Atlanta. My daughter Kennedy was hospitalized in the PICU for 8 days with RSV at just a few weeks old. Everything in this post comes from what we learned from the ICU doctors, my own research, and living through it.

Wondering how to protect a newborn when you have older kids bringing home daycare germs? This is the most comprehensive guide I've put together - covering baseline newborn precautions, what to do when you have school-age siblings at home, what to have on hand when someone is actively sick, and what our family does to keep our immune systems as strong as possible. This isn't fear-mongering (I truly hate that as a modern mom myself!) it's practical, doctor-backed advice from a mom who learned the hard way after her daughter spent 8 days in the PICU with RSV.

Quick reference — the most important things

• Ask all guests to wash hands with hot soapy water for 20 seconds before holding baby. Sanitizer doesn't kill everything.

• No kissing baby's face. Kisses on feet or top of head only.

• Ask siblings to change clothes and wash hands immediately after school or daycare.

• Keep newborn physically away from older siblings as much as practical, especially if anyone is sniffly.

• Air purifiers in common spaces and bedrooms make a real difference.

• Humidifiers at night in bedrooms. Studies show they can reduce the likelihood of catching some viruses.

• If someone is actively sick, isolate them to one room and bathroom, and suit up with gloves and mask before caring for them and then touching baby.

• Breastfeed if you are able - your antibodies pass through breastmilk - but do not expect this to be a magic bullet.

He volunteered for germ duty. We did not put him up to this. 😂

After seeing so many saves and shares on my Reel about this topic, I wanted to share a clean list of ALL of the tips - what we learned from the ICU doctors during my daughter's RSV hospitalization, my own research as well as a few helpful comments from some of you!

I share this with the caveat that I personally believe in science and modern medicine. These decisions are very personal and I am not here to debate this topic. Only you can decide what's best for your family. Do your own research, find doctors who you trust and keep it moving. The below suggestions are in addition to following (for me, in the US) the CDC vaccination guidelines.

And if you do have any doubt about vaccines, I'd encourage you to take a few minutes and watch this video from a pediatrician - the BEST breakdown I've ever seen on this very sensitive topic. It's understandable you may have concerns at face value with some of the ingredients, and she talks through the dosages and impact to the body in a way that is (I find) helpful and non-accusatory.

As with absolutely everything I share, take what works for you and leave the rest.

👶 BASELINE: General newborn precautions to consider 👶

• Do your best to stay healthy as you near delivery so you are not sick when baby arrives

  • Preventative medicine / vaccines when offered during your pregnancy, as you choose

  • Masking and practicing good hand hygiene, avoiding people who are sick

• Asking grandparents / close family who will see baby often to stay up to date on their vaccines to protect baby until he or she can get theirs (OB should tell you what family may need to get!)

• Limiting guests in the early days at home

  • Every guest who comes to meet your baby should feel 100% well. Even a sniffle or what they think could be allergies can get your baby very sick.

  • No one else should be kissing your baby

• Asking all guests to mask and WASH their hands well before holding baby (sanitizer is better than nothing but doesn't kill everything). Hot soapy water, 20 seconds.

  • My family has always been very considerate about wearing fresh, clean clothes when coming to see one of our newborns, and/or changing their shirt before holding baby. Some germs hang around on your clothes!

  • This may feel awkward but ideally guests would not be touching their phone or anything else once they have washed their hands. Phones are incredibly germy. Wipe them down with alcohol wipes regularly. I keep these on my nursing cart in baby's room and all over the house.

• Avoiding big gatherings for (at least) the first two months. Put the "bubble" in newborn bubble.

• Breastfeeding if you are interested and able to do so

  • In my case, this did not offer total protection against RSV. I had gotten the vaccine during pregnancy and I assume was also exposed by my older kids, but never felt sick. Even so, we know mama's antibodies are passed to their babies through breastmilk. The doctors said our daughter had a particularly nasty strain of RSV, with Rhinovirus on top of it (a cold), so I hate to think what would've happened had I not been vaccinated.

😷 TAKE IT UP A NOTCH: preventative measures when you have older kids in school 😷

• Talk to your older kids. Explain WHY you need to be so careful with new baby. Even at 2.5 and 4 years old, my guys understood this, at least to some extent.

  • No kissing baby's face, kisses on feet or top of head

  • No touching baby without clean hands

  • Staying far away from baby if feeling sick

• Washing hands well anytime anyone enters the house and especially after school / daycare

  • We make this as silly as possible with our toddlers to make sure they do it long enough

• Removing outside clothes and shoes immediately - ideally followed by taking a shower or bath and putting on clean clothes

  • Wiping down backpacks, putting coats/hats/other winter gear in the dryer on sanitize

  • We give our kids a snack and call it a "snack bath" - branding is everything with toddlers

  • Usually my husband does the bath while I wash the clothes and wipe things down

    • I wash the kids clothes in hot water with this laundry sanitizer for good measure

    • We only did this until she was out of the danger zone, that first month or so

• No sharing food or drinks - especially outside of the immediate family

  • My guys LOVE stealing "Mommy's water" so I let them pick out their own special water cups that look like mine

• Keeping newborn physically away from older siblings

  • Baby carrying is also a great option here if being in a separate room isn't practical

• Open up your windows - as much as you can, or at least to air out once a day

  • Spending more time outside as weather permits

• Air purifiers, especially in common spaces

  • One of my kids is asthmatic so we run these in each bedroom and this bigger one in living room 24/7

• Humidifiers in bedrooms at night - studies have shown this can reduce likelihood of getting some viruses

  • We have this one in baby girl's nursery (was originally mine) and this one for my big boys (they share a room). I love the stainless steel because you don't have to worry about mold.

🚨 OH SHIT, SOMEBODY'S SICK: What to do & have on hand if someone is actively sick 🚨

• Isolate whoever is feeling sick. If it's a child, one partner is ideally staying with them, and they are isolating to one bedroom / bathroom. No one else in the house enters this space until it's properly cleaned and aired out.

  • I realize this is not always easy or practical - below are some things you can wear if you are a solo parent and taking care of everyone

• Wipe down high touch spaces - I generally want the "cleanest" or least toxic thing that actually works. I'll do a separate post about this soon. And this works just fine for day to day but as I've learned from my sister who is an NP, each pathogen or illness is different and when someone is sick you need to use something that will actually kill that specific germ.

  • The Clorox wipes with bleach that I shared has a table on the back and you can see, Norovirus and a long list of other things are mentioned by name there, so you KNOW it is killing that germ

    • Please please be sure to read the instructions before using and wear gloves, these are super powerful and they will tear up your skin. I ONLY use them when someone is actively sick in the home and I'm cleaning the spaces they've touched.

• Suit up - disposable items to have on hand just in case

  • Disposable gloves

  • Disposable masks

  • Disposable isolation gowns

    • Idea here being that if you're caring for someone who is sick, you could suit up to help them and after, throw away your mask, gown and gloves, wash hands well and then go tend to baby without needing to fully shower

    • This is what they do in the hospital and this is how doctors and nurses take care of sick people all day long and avoid bringing the germs home to their own families.

• For Norovirus specifically, one of you suggested these emesis bags (aka, puke bags!) and I ordered some to have here just in case. Puke buckets are out for 2025. I saw Amazon also had some with fun prints on them for kids, if you are so inclined.

• For congested babes, I have really liked this Dr NozeBest Hospital Grade Nose Suction since we got home from the hospital to keep baby breathing easier. Be sure you understand how to use it first - you use saline to help break things up and you want to be super gentle. I didn't need this with my older boys - the normal ones worked fine.

  • This is the travel version and they have a more serious one that's about double the price. Figured we'd start with this and it has been great.

🤪 GET ON MY LEVEL (read: possibly insane!): what we're trying to avoid germs coming home 🤪

• "Ask the Experts: An Exact Plan for When You Get Sick and How to Prevent It In the First Place" podcast with Liz Moody - she interviews three doctors about what THEY do when THEY are sick plus how to prevent getting sick, and it's absolutely fascinating. I found it so helpful to have some actionable advice instead of just hoping we didn't get sick again.

  • It's an hour long but you can skim the transcript in Spotify if that's easier

• Strong gut, strong immune system. In an effort to improve overall gut health, which is the first line of defense for your immune system, we are trying to reduce refined sugars, ultra-processed foods and eat as many plants as we can. Variety of plants was stressed, so doing our best to mix it up.

  • As we amp up the plants (fruit, veggies, legumes, grains, seeds and fresh herbs) for the whole family, I'm sharing all toddler-approved recipes in my stories. So far we're finding they can be hidden well in muffins, smoothies, sauces and condiments (VEGGIE KETCHUP)

  • We are also giving our kids EllaOla unflavored toddler vitamins and probiotics in their milk

    • We've used the vitamins for a while now and they can also mix into yogurt, a smoothie, any drink. They're flavorless and dissolve well, my kids have NO idea they're there.

    • If you're interested in the unflavored vitamins (for toddlers or adults!) this link will give you 20% off and you can stack my code MAMAMEG15 for an extra 15% on top

  • Echinacea drops - mentioned in the podcast as something that has been well studied and helps prevent getting a cold and reduces the length of colds. I hide these drops in herbal teas for my toddlers (echinacea has a strong flavor) and take the same ones for myself following the dosage on the bottle.

  • Note: you can implement these ideas in whatever way fits your budget and situation. I am certainly not doing all of this perfectly every single day - it's an "every bit helps" vibe.

• Things my husband and I are trying:

  • Raw garlic at the first sign of not feeling well

    • This was the one thing all three doctors in the podcast personally did, which I thought was really telling. I cut 2-3 small cloves or one big clove into pill size pieces, let it sit out for 10 mins (important to wait to get the max benefits) and then swallow them with water like medicine. Garlic has natural antibiotic properties to fight off infection.

    • If anyone has tips for getting kids to take raw garlic, holler at your girl. Going to try to put it in some pineapple juice.

  • Honey is another great choice with natural antibiotic properties - raw, organic ideally

  • Vitamin D supplementation - again, the podcast (it's becoming my entire personality) said this is something nearly everyone is deficient in, especially in winter and it can help bolster your immune system. You should get your levels tested with bloodwork so you know how much you personally need to supplement.

    • These are the ones we're taking

  • Probiotics daily - I take the same ones as my kids, added to my daily electrolyte drinks, Re/Lyte! (this link will give you 15% off!)

    • My husband uses this green powder which also has probiotics added. He adds with a scoop of the electrolytes (we use the Mango flavor)

  • I also focused heavily on gut health during this period — strong gut, strong immune system. We gave our kids EllaOla unflavored toddler vitamins and probiotics daily, hidden in their milk or yogurt. They have no idea they're there. Use my link for 20% off your first order and stack code MAMAMEG15 for an extra 15% off.

• Things I'm doing as a breastfeeding mom:

  • NOT masking if we are out because I want to be exposed to anything my newborn is exposed to so my breastmilk produces the right antibodies. Reality is we are not out very much but occasionally I do have to take her into a grocery store or the pediatricians office.

  • Masking while caring for my baby if I am feeling even the slightest bit unwell. This is not fun especially once she entered the social smile era. But I refuse to go back to the hospital so personally this is worth it for me to do.

    • These are the ones I wear - KN95

    • We also have these regular surgical masks for visitors and I feel fine about these for short visits as long as the person feels 100% well (confirmed this with the PICU doctors)

And to be very clear, none of this is fun. It's a lot of things. It's overwhelming. You certainly do not need to do all of it. You may not need to do any of it. I know plenty of people who have traveled right away with their newborn, never purchased a mask and their babe was just fine. But after seeing my daughter hooked up to oxygen machines in the PICU for 8 days, I personally think precautions are worth it for this short window of time when they are so new and so vulnerable. Especially for these winter babies.

Phew! That was a lot. I hope any of it can be helpful. All links can also be found in my LinkTree if that is easier to navigate. Good luck, mama!! If you're preparing for a newborn you may find some of my earlier posts helpful, too. Pregnancy | the third trimester | Bringing home baby

→ See my full baby registry checklist here for everything else I'd recommend before baby arrives.

I'm going to try to post more regularly so if you enjoyed this post, subscribe below and feel free to drop a comment or question as well! 🤍

FAQ

How do I protect my newborn when I have older kids in daycare or school? The biggest things: wash hands immediately after school before touching baby, change out of school clothes, no kissing baby's face, keep newborn physically separated when possible, and run air purifiers in common spaces. If someone is actively sick, isolate them to one room and use gloves and a mask when going between them and baby.

What vaccines should family members get before meeting a newborn? Ask your OB — they'll tell you exactly what to request. The key ones are typically Tdap (whooping cough), flu shot, and RSV vaccine for grandparents and close caregivers. Anyone who will see baby regularly should be up to date.

What is RSV and how dangerous is it for newborns? RSV (Respiratory Syncytial Virus) is a common respiratory virus that causes mild cold-like symptoms in older kids and adults but can be very serious — even life-threatening — in newborns and premature babies. My daughter Kennedy was hospitalized in the PICU for 8 days with RSV at just a few weeks old. The precautions in this post are what her ICU doctors recommended and what we now do with every illness season.

When can I relax the newborn germ rules? The first 2 months are the highest-risk window — this is when newborns are most vulnerable before vaccines kick in. After 2 months and their first round of vaccines you can reasonably start relaxing. That said, RSV season (fall and winter) warrants extra caution regardless.

Do air purifiers actually help protect newborns from germs? Yes — we run them in every bedroom and in the living room 24/7. One of my kids is asthmatic so this was already important for us, but after Kennedy's hospitalization I became even more committed to them. Look for ones with a true HEPA filter.

What should I have on hand if someone in the house gets sick with a newborn at home? Disposable gloves, KN95 masks, disposable isolation gowns, Clorox bleach wipes (check the back label — it lists specific germs it kills by name), a hospital-grade nasal suction for baby, and emesis bags. Suit up before caring for the sick person, then dispose and wash hands thoroughly before going near baby. This is exactly what healthcare workers do.

Does breastfeeding protect against RSV? It offers some protection — antibodies pass through breastmilk — but as my experience showed, it's not total protection. I was breastfeeding Kennedy and had gotten the RSV vaccine during pregnancy. The ICU doctors said she had a particularly nasty strain, and they felt the vaccine and breastfeeding likely reduced the severity. Every bit helps.

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Your friendly reminder that this blog is not medical advice! This blog is for educational purposes only and does not substitute for professional medical advice. Consult a medical professional or healthcare provider if they seek medical advice, diagnoses, or treatment for you or your family.

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