Contamination in Antiseptic Wipes: What’s the Risk?

Health authorities in the UK recently advised the public to stop using certain non-alcohol antiseptic wipes after testing detected contamination with Burkholderia stabilis. The organism belongs to the Burkholderia cepacia complex, a group of environmental bacteria commonly found in soil and water.

These bacteria are well known in healthcare and pharmaceutical manufacturing because they can survive in moist environments and preservative-containing products, and so occasionally contaminate non-sterile medical items such as wipes, gels, and solutions. This recall is precautionary and primarily intended to protect vulnerable patients.

For productions and events, we recommend checking first aid / medical kits for the brands affected, and – if found – discard them. That’s it.

Which Wipes Are Affected?

These are all non-sterile (i.e. not intended for use on wounds or broken skin) aqueous (non-alcohol) cleaning wipes. The UKHSA lists the following brands:

Risk to Healthy People

For most people the risk is extremely low. Healthy skin forms an effective barrier against infection, and Burkholderia stabilis rarely causes disease in otherwise healthy individuals. Infection would typically require a route of entry, such as:

• Broken skin
• Open wounds
• Invasive medical devices (for example IV lines)

So the main concern is the use of contaminated wipes on cuts, grazes, wounds, or medical devices, particularly in home healthcare settings.

Why Vulnerable Patients are the Focus

Members of the Burkholderia cepacia complex can cause opportunistic infections in people with weakened immune systems or certain underlying conditions. Individuals at higher risk include:

• People with cystic fibrosis
• Hospital patients with indwelling devices
• Immunocompromised individuals

In these groups the bacteria can occasionally cause respiratory infections or bloodstream infections, which is why strict manufacturing controls are required for products intended for wound care or medical use.

The Wider Burkholderia Family

The genus Burkholderia isn’t the ‘Addams Family’ of the bacterial world (that’s the clostridia) but it contains several medically important species. Two historically significant pathogens are:

• Burkholderia mallei, the cause of glanders, a severe infectious disease primarily affecting horses but capable of infecting humans.
• Burkholderia pseudomallei, responsible for melioidosis, a potentially serious infection found mainly in tropical regions such as Southeast Asia and northern Australia.

These organisms are closely related to members of the Burkholderia cepacia complex but are distinct species with different epidemiology and disease patterns. While glanders and melioidosis illustrate the pathogenic potential of the genus, contamination events involving Burkholderia stabilis typically involve opportunistic environmental strains rather than primary pathogens.

Why Can Burkholderia Contaminate ‘Antiseptic’ Products?

This recall highlights a well-recognised issue in pharmaceutical microbiology: environmental organisms capable of surviving preservatives can occasionally contaminate aqueous products. One reason contamination incidents occur is that Burkholderia species are commonly found in soil and water and so have evolved to possess unusual survival abilities. Many strains can tolerate antimicrobial chemicals and preservatives, and can grow in low-nutrient aqueous environments (albeit slowly) – such as aqueous wipes. They are particularly adept at surviving in:

• Manufacturing water systems
• Disinfectant or detergent solutions
• Non-sterile healthcare products

For this reason the pharmaceutical industry treats Burkholderia cepacia complex organisms as ‘objectionable microorganisms‘ in non-sterile product manufacturing due to their ability to cause illness, degrade the product, or reduce its effectiveness.