Topic 1: The challenges of infectious diseases
This topic introduces public health concepts and then examines the broad range of pathogens and the history of how infectious diseases have affected our species.
Topic 2: How are we protected from infectious diseases?
Topic 2 deals with the layered defences that protect us against infectious agents, plus the immune system that combats agents that gain access to our bodies.
Topic 3: Infectious agents
In this topic, you’ll explore various infectious agents, how we detect infections, and different treatment and control options.
Topic 4: Modern public health in the context of infectious diseases
This topic deals with modern public health – surveillance and epidemiology. It includes how mathematical models help us to understand and predict how infections sweep through populations, and the concept of R values.
Topic 5: Public health initiatives to prevent and control infectious diseases
In Topic 5, you’ll look at how public health initiatives can prevent and control infections and help manage outbreaks, examining the different levels of disease prevention. Plus, public health promotion, effective communication and how to spot and deal with public health fake news.
Topic 6: Public health challenges and professional practice
The final topic deals with public health challenges and professional practice.
You’ll get help and support from an assigned tutor throughout your module.
They’ll help by:
Online tutorials run throughout the module. While they’re not compulsory, we strongly encourage you to participate. Where possible, we’ll make recordings available.
Course work includes:
You’ll have access to a module website, which includes:
You can study this module on its own or use the credits you gain towards an Open University qualification.
SK297 is a compulsory module in our:
SK297 is an option module in our:
Infection, immunity and public health (SK297) starts once a year – in October.
It will next start in October 2026.
We expect it to start for the last time in October 2031.
As a student of The Open University, you should be aware of the content of the academic regulations, which are available on our Student Policies and Regulations website.
There are no formal entry requirements for this module.
At The Open University, we believe education should be open to all, so we provide high-quality university education to anyone who wishes to realise their ambitions and fulfil their potential.
Even though there are no entry requirements, you’ll need an appropriate knowledge of biology obtained through either of the following:
Are you ready for SK297?
We recommend that you’ve completed:
The OU strives to make all aspects of study accessible to everyone, and this Accessibility Statement outlines what studying SK297 involves. You should use this information to inform your study preparations and any discussions with us about how we can meet your needs.
To find out more about what kind of support and adjustments might be available, contact us or visit our Disability support website.
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There may be extra costs on top of the tuition fee, such as set books, a computer and internet access.
If your income is not more than £25,000 or you receive a qualifying benefit, you might be eligible for help with some of these costs after your module has started.
There may be extra costs on top of the tuition fee, such as set books, a computer and internet access.
If your personal income is £25,000 or less, or you’re on certain benefits, you could qualify for a grant and OU top-up funding to cover 100% of your course fees. Apply online at the same time as you register on your module.
For more information on how to apply, visit our Part-Time Fee Grants for students in Scotland page.
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Joint loan applications
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As additional affordability checks are required when processing joint loan applications, unfortunately, an instant decision cannot be given. On average, the processing time for a joint loan application is five working days from receipt of the required documentation.
Read more about Open University Student Budget Accounts (OUSBA).
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Over 30,000 employers have used the OU to develop staff so far. If the module you’ve chosen is geared towards your job or developing your career, you could approach your employer to see if they will sponsor you by paying some or all of the fees.
You can pay part or all of your tuition fees upfront with a debit or credit card when you register for each module.
We accept American Express, Mastercard, Visa and Visa Electron.
We know that sometimes you may want to combine payment options. For example, you may wish to pay part of your tuition fee with a debit card and pay the remainder in instalments through an Open University Student Budget Account (OUSBA).
We know that sometimes you may want to combine payment options. For example, you may get support from your employer to pay part of your tuition fee and pay the remainder by credit or debit card.
For more information about combining payment options, contact an adviser.
Please note: your permanent address/domicile will affect your fee status and, therefore, the fees you are charged and any financial support available to you. The fee information provided here is valid for modules starting before 31 July 2026. Fees typically increase annually. For further information about the University's fee policy, visit our Fee Rules.
