Infection Routes and Prevention

• newEditor
• Childcare
• Further Education (Key Stage 5)

Infections in Childcare

This lesson is for level 2 childcare students, so keep examples rooted in nursery, preschool and home-based childcare settings. The lesson centres on what different pathogens are, how they spread, and why prevention matters in the workplace.

Learning goal

I can explain the differences between bacteria, viruses, fungi and parasites, and describe common infections they cause and how to help prevent their spread in the workplace.

What words come to mind when you hear infection spread in childcare?

Use this to surface prior knowledge such as germs, coughing, nappies, toys, handwashing, cleaning and illness. Pick out accurate everyday examples and connect them to the lesson language: bacteria, viruses, fungi, parasites and routes to infection.

Bacteria, viruses, fungi and parasites

These are all pathogens, which means they can cause infection.

They are not the same type of living thing, and they do not spread or affect the body in exactly the same way.

Knowing the differences helps childcare workers recognise risks and follow the right infection control measures.

Students often use the word 'germs' for everything. Accept it in discussion, but keep returning to the four correct terms because assessment criterion 5.1 requires distinction between them.

What are bacteria?

• Tiny single-celled organisms

• Some are harmless or helpful

• Some can multiply quickly and cause illness

• Many bacterial infections can be treated with antibiotics

Make the point that not all bacteria are harmful. This helps students avoid the misconception that bacteria always mean disease.

What are viruses?

• Much smaller than bacteria

• Need to enter living cells to reproduce

• Spread easily from person to person

• Antibiotics do not work against viruses

A useful contrast is that bacteria can reproduce on their own, while viruses need a host cell. Keep the wording simple for level 2 learners.

What are fungi and parasites?

Fungi include yeasts and moulds that can cause infections on skin, nails or inside the body.

Parasites live on or inside another living thing and survive by taking what they need from the host.

Give simple examples orally such as athlete's foot for fungi and head lice or threadworms for parasites. These are familiar in childcare and make the distinction more concrete.

Key differences

• Bacteria are living single cells

• Viruses need host cells to reproduce

• Fungi are a separate group of organisms such as yeasts and moulds

• Parasites live on or in a host and depend on it

• Different pathogens need different treatments and control measures

This slide pulls together 5.1. You may want to stress that identifying the type of pathogen matters because prevention and treatment are not identical.

Which pathogen needs living cells to reproduce?

A

Fungi

B

Virus

C

Bacteria

D

Parasite

Tests the key contrast from slides 3 to 6. A common misconception is that all pathogens reproduce in the same way.

Complete the summary

Bacteria are single-celled organisms, while viruses need a host cell to reproduce. Fungi include yeasts and moulds, and parasites live on or inside a host.

Bacteria

viruses

Fungi

parasites

droplets

antibiotics

surfaces

waste

All four blanks are load-bearing terms from assessment criterion 5.1 and each has a fixed place from meaning.

Why does the type of pathogen matter at work?

Expected elements: bacteria are single-celled living organisms; viruses need host cells; fungi are organisms such as yeasts and moulds; parasites live on or inside a host. Strong answers may also mention that treatment and control measures differ.

Main routes to infection

In childcare settings, infections can spread through several common routes:

• direct contact with people

• indirect contact through surfaces or objects

• droplets from coughing or sneezing

• food or water contamination

• contact with body fluids, faeces or nappy waste

Link this back to the workplace focus in the learning outcome. Students should see routes to infection as part of daily practice, not just theory.

Direct and indirect contact

• Direct contact: touching skin, saliva or other body fluids

• Indirect contact: shared toys, tables, bedding or door handles

• Young children often touch faces and share items, which increases risk

You can give practical examples such as wiping a nose, helping with toileting, or children mouthing toys. These make the transmission routes feel real and relevant.

Droplets and contaminated waste

• Coughing and sneezing can spread droplets into the air and onto surfaces

• Nappies, vomit, blood and faeces can carry pathogens

• Poor disposal or cleaning can spread infection further

Clarify that learners do not need advanced microbiology here; they need to understand that everyday care tasks can expose them to pathogens if hygiene routines are weak.

Breaking the chain of infection

Pathogen on hands or surfaces → transfer to child, adult or food → entry into the body → infection

Prevention works by stopping one or more parts of this chain before infection happens.

This is the core prevention idea. Even if students do not study the full chain of infection model, they should grasp that infection spread is not inevitable and can be interrupted.

How to prevent spread at work

• Effective handwashing

• Cleaning and disinfecting surfaces and toys

• Safe food hygiene

• Correct use of gloves and protective equipment when needed

• Safe disposal of waste

• Following exclusion rules when someone is unwell

Keep emphasising 'when needed' for gloves so learners do not think gloves replace handwashing. Gloves are an added barrier, not a substitute for hygiene.

Which is an example of indirect contact?

A

A child sneezing

B

Touching a rash

C

Sharing a toy

D

Changing a nappy

Indirect contact means spread through objects or surfaces. The distractors are real infection risks, but by different routes.

Complete the infection chain idea

A pathogen on hands or surfaces can transfer to a child, adult or food. Prevention works by breaking the chain before infection happens.

surfaces

food

chain

infection

gloves

droplets

bedding

treatment

Echoes the wording on slide 10 and checks the core prevention concept before students move into illness examples.

Which prevention step matters most in your daily childcare routine?

1

Handwashing

2

Surface cleaning

3

Food hygiene

4

Waste disposal

5

Exclusion rules

Bacterial illnesses

• Some food poisoning illnesses are caused by bacteria

• Bacterial skin or eye infections can also spread in group settings

• Symptoms may include diarrhoea, vomiting, redness, pain or discharge

If you give named examples orally, choose familiar ones such as salmonella or impetigo only if they fit your centre's curriculum language. The slide keeps to common illness types to avoid overload.

Impact of bacterial infections

• Children may become dehydrated or uncomfortable

• Infection can spread quickly through shared spaces

• Staff absence and parent disruption may increase

• Some infections need medical treatment and strict hygiene control

Keep the impact broad: effect on the child, the setting and families. This helps students meet 5.2 by moving beyond naming illnesses to considering consequences.

Viral illnesses

• Colds, flu and viral gastroenteritis are common examples

• Viruses often spread through droplets, hands and shared surfaces

• Symptoms can include fever, cough, runny nose, sickness or diarrhoea

You can mention that many common childhood illnesses are viral, which is why hygiene, ventilation and staying away when unwell are so important.

Impact of viral infections

• Viruses can move rapidly through a childcare setting

• Very young children may become ill more quickly than older children

• Some viral infections lead to outbreaks and temporary exclusion from the setting

• Antibiotics will not treat viral illness

A common misconception is that medicine from the GP always fixes infection. Reinforce that antibiotics do not work for viruses, even when symptoms feel severe.

Fungal and parasitic infections

• Fungal infections may affect skin, scalp or nails

• Parasitic infections in childcare may include head lice or threadworms

• These often spread through close contact, shared items or poor hygiene

These examples are especially relevant in childcare because they are common, recognisable and linked to everyday routines such as hair contact, bedding and toileting.

Impact of fungal and parasitic infections

• They may cause itching, irritation, discomfort or disturbed sleep

• They can be embarrassing for children and worrying for families

• If not managed quickly, they may continue to spread through close groups

• Good hygiene and prompt reporting reduce further spread

Useful pastoral point for the teacher: avoid language that blames families. Stress that these infections are common and should be handled professionally and sensitively.

Why prevention matters in childcare

• Young children may not cover coughs, wash hands well or recognise symptoms

• Close contact is part of daily care

• Infection control protects children, staff and families

• Good practice supports a safe and healthy workplace

This slide brings the lesson back to workplace responsibility. It helps students connect knowledge of pathogens to professional standards in childcare.

Which illness group would antibiotics not treat?

A

Parasitic infections

B

Viral illnesses

C

Fungal infections

D

Bacterial infections

Checks the common misconception highlighted on slide 15. Students may overgeneralise antibiotics as a cure for all infections.

Complete the workplace summary

In childcare, viral infections can spread quickly through droplets, hands and shared surfaces. Fungal infections may affect skin, scalp or nails, while parasitic infections such as head lice may spread through close contact. Good hygiene helps reduce further spread.

viral

Fungal

parasitic

hygiene

bacterial

antibiotic

discharge

equipment

Brings together 5.2 by linking pathogen groups to common illnesses, spread and prevention in one short summary.

Why is infection prevention especially important in childcare?

Expected elements: young children may not cover coughs, wash hands effectively or recognise symptoms; close contact is part of care; infection control protects children, staff and families; poor control can disrupt the setting.

What is one thing you will remember from this lesson?

Which part of this lesson helped you understand best?

What part still feels hardest or least clear?

Glossary

pathogen - a microorganism or organism that can cause disease

bacteria - single-celled organisms, some of which can cause infection

virus - a tiny infectious agent that reproduces inside living cells

fungi - organisms such as yeasts and moulds that can cause infection

parasite - an organism that lives on or inside a host and depends on it

infection - when harmful pathogens enter the body and begin to multiply

contamination - the presence of harmful microorganisms on a surface, object, food or person

Glossary

direct contact - spread through person-to-person touch or body fluids

indirect contact - spread through contaminated surfaces or shared objects

droplets - tiny drops released when someone coughs or sneezes

disinfect - to use a product that reduces harmful microorganisms

protective equipment - items such as gloves or aprons used to reduce risk of infection

exclusion - keeping an ill person away from the setting for a period of time