Medical Oncologist
Infection prevention
Children, school and infection risk
Healthy children are not a risk. A child who is currently unwell is, and so is one just home from a classroom where something is going round. The rule is about the child's condition today, not about children in general. The instinct to remove the grandchildren for the whole course is usually unnecessary, and losing them is often what patients grieve most.
NG
Medically reviewed by Dr. Naresh GunduConsultant Medical Oncologist · MBBS, DNB (Internal Medicine), DM (Medical Oncology, AIIMS) · last reviewed September 2026, next review due September 2027
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The short answer
Are grandchildren a risk during chemotherapy?
Healthy children are not. A child who is currently unwell is, and so is one who has just come home from a classroom where something is going round. The rule is about the child's condition today, not about children in general.
This matters because the instinct in many households is to remove the grandchildren entirely for the whole course of treatment. That is usually unnecessary, and the loss of the children is often the thing patients grieve most about the whole experience.
Why school changes the picture a little
School-going children pick things up constantly and often carry infections before they look ill at all. That does not make them untouchable — it means paying attention to whether anything is going round, washing hands on coming home, and being stricter during the low-count days.
Ask your team when the counts will be lowest. Those are the days worth being careful about; the rest of the cycle is usually ordinary life.
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Ask before the children have live vaccines
Most childhood vaccinations are perfectly safe for the household of someone on chemotherapy, but a few live vaccines need checking, and occasionally a short gap or extra care is advised. Tell your oncology team before any child in the house is vaccinated, and tell them what was given and when. Separately: a fever in the patient is an emergency at any time — go to the nearest emergency department the same day and say they are on chemotherapy.
Not sure whether this applies to you?
Ask an oncologistJudging it
When contact is fine, and when to keep a distance
Ordinary contact is fine
Keep them apart for now
The child is well today
Fever, cough, cold, sore throat or loose motions
Nothing going round at school
Chickenpox, measles or mumps in the class
In the good week before the next cycle
During the low-count days, if the child seems off
Hands washed on coming in from outside
Straight in from school without washing
Hugging, sitting together, reading together
Sharing spoons, cups, or half-eaten food
A nappy changed by someone else
The patient changing nappies themselves
In a shared household
Practical arrangements that work
Multi-generational homes are the norm here, and the advice has to fit that rather than assume separate houses.
Wash hands on coming home
The single most useful habit. Children come in from school, wash with soap before touching anyone or anything, then carry on as normal. Soap and a towel by the door makes it happen.
Same for
- Coming in from play
- Before eating anything
Ask the school to tell you
Most schools will let parents know if chickenpox, measles or something similar is going round. Ask to be told, because those are the ones that matter rather than an ordinary cold.
Tell the oncology team promptly if the child has been exposed to chickenpox or measles.Keep an unwell child in another room
Not banished from the house, which is rarely practical, but sleeping and resting apart from the patient until they are better, with an adult other than the patient looking after them.
Let someone else do nappies
And toilet help, and clearing up after sickness. The patient should not be the one handling those during treatment. It is a small division of labour that removes a real route.
Stop the shared spoon
Feeding a child from your own plate, finishing what they leave, and tasting from the same spoon are the habits worth dropping. Hugging and sitting together are not.
Keep the children in the picture
Explain in simple terms why hands are being washed and why grandma is tired, rather than leaving them to guess. Children manage honesty better than mystery, and it stops them feeling pushed away.
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The other side
The harm in keeping children away
Families routinely send the grandchildren to another house for the whole course, and it is worth naming what that costs. Patients describe it as the loneliest part of treatment. Mood, appetite and sleep all suffer, and none of those are trivial when someone is trying to get through six months of chemotherapy.
Children take it personally
A young child removed from a grandparent, with no explanation they can follow, often concludes they did something wrong or that the illness is catching. Both beliefs last, and both are avoidable with a simple explanation.
Aim for adjusted contact, not no contact
Handwashing on arrival, no sharing of spoons and cups, someone else handling nappies, and staying apart on the days a child is genuinely unwell. That combination covers nearly all of the real risk while keeping the relationship intact.
Use the good week
If the household is going to be strict at some point, make it the low-count window and be relaxed in the week before the next cycle. That is easier to sustain than permanent caution and it gives everyone something to look forward to.
If a patient is low in mood and has been separated from grandchildren, say so at the next appointment. Teams take that seriously.Being straight with you
What this page cannot tell you
It cannot tell you how strict your household should be. How low the counts go, which treatment is being given and whether there has already been a serious infection all change the answer. Some people are advised much tighter precautions throughout, and that advice overrides this page.
It also cannot tell you whether a particular exposure matters. Contact with chickenpox or measles is a specific situation that needs your team to know promptly, and so is a child who has recently had a live vaccine. Those are phone calls rather than judgements to make at home.
What to do next
Put soap and a towel by the door and make handwashing on arrival the household habit. Ask the school to tell you if anything is going round. Agree who handles nappies and sick children. Ask your team when the low-count days fall. And tell them before any child in the house is vaccinated.
Questions we are asked
Common questions about children
Can I hug my grandchildren?
Yes, if they are well. Hugging, sitting together and reading together carry no meaningful risk and do a great deal of good. What to avoid is close contact with a child who currently has a fever, cough, cold or upset stomach, particularly during the low-count days.
Should the children stay somewhere else during treatment?
Usually not. Months of separation harms mood, appetite and sleep, and patients often describe it as the worst part of the whole experience. Adjusted contact — handwashing, no shared spoons, staying apart when a child is unwell — covers nearly all the real risk.
What if there is chickenpox at school?
Tell your oncology team promptly rather than waiting for the next appointment. Chickenpox and measles are the specific exposures that matter for someone with a suppressed immune system, and there may be something they want to do about it. Ordinary colds do not need the same call.
Can children have their routine vaccinations?
Usually yes, and children in the household should stay up to date. A few live vaccines need checking first, and occasionally extra care is advised afterwards. Tell your team before any vaccination and say what is being given.
Is it safe to change a nappy?
Better for someone else to do it during treatment. It is one of the more realistic routes for a gut infection, and it is easily delegated. The same applies to helping a child in the toilet and clearing up after a child has been sick.
The children are frightened. What should we tell them?
Something simple and true — that the medicine makes it harder to fight germs, so everyone washes hands, and that they cannot catch the illness. Children manage honesty better than mystery, and silence usually leads them to conclude something worse.
Can I go to a school function or sports day?
Outside the low-count days, often yes — go for part of it, stay towards the edge of crowds, and wash hands afterwards. During the low-count window it is better skipped. Ask your team about a specific event rather than guessing.
My child is on chemotherapy. Can they go to school?
That is a question for the paediatric team rather than a general rule, and it depends on blood counts and on what is going round. Many children attend during the good days between cycles. Ask specifically about the low-count window, when the risk is highest.
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Sources
- Cancer Research UK — Infections and cancer treatment
- Macmillan Cancer Support — Infection and cancer treatment
- National Cancer Institute — Chemotherapy and You
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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