How Long Do Bacteria and Viruses Live on Common Surfaces?
We often assume that a surface is clean and safe just
because it looks clean and shiny. We often wipe our countertops clean, polish
our table tops, and mop our floors clean. However, it is a known fact that most
bacteria and viruses have a longer lifespan than we assume.
Knowing how long germs and bacteria last will help you
make better decisions about your hygiene and keep your home and workplace clean
and safe.
Why Surface Survival Matters
You come into contact with various things in your daily
routine that may be contaminated with germs and bacteria.
For instance, touching your face after coming into
contact with a contaminated surface will let germs into your body.
Therefore, it is important to keep your surfaces clean
and hygienic to prevent germs from entering your body.
How Long Do Germs Actually Live?
The lifespan of germs and bacteria varies from longer to
shorter.
Here are some facts about germs and bacteria survival on
surfaces:
1. On Hard Surfaces (Plastic, Steel, Glass)
• Many types of virus may survive for 24 hours or more
• Some types of bacteria may survive for days or even months
• Hard surfaces allow germs and bacteria to last longer
Some examples include:
• Mobile phones
• Door handles
• Light switches
• Kitchen surfaces
2. On Soft Surfaces (Fabric, Upholstery)
• Germs and bacteria may survive a few hours or a day or two
• Soft surfaces may have germs and bacteria trapped in them and may dry out
faster
Some examples include:
• Sofa surfaces
• Curtains
• Carpets
• Bedding
3. On Wood and Paper
• Survival time is generally shorter (minutes to hours)
• Soaking up moisture may decrease survival time
Factors That Affect Germ Survival
Temperature
Places that are a little warmer may cause germs to survive for a shorter or
longer period.
Humidity
Places that have high humidity may allow viruses to survive longer.
Surface Type
Surfaces that are not porous will allow germs to survive longer.
Presence of Organic Material
Food bits, grease, and dirt may provide protection for germs and allow them to
survive longer.
The Difference Between Cleaning and Disinfecting
Most people clean but need to know about this important
distinction:
• Cleaning kills dirt and some germs
• Disinfecting kills most germs
• Sanitizing reduces germs to safe levels
A surface may look clean but still have germs that cause
disease and infection.
High-Risk Areas You Shouldn’t Ignore
Some areas in your home or workplace have a longer
survival period for germs and need more attention:
• Kitchen sponges and sink areas
• Bathroom faucets and toilet handles
• Remote control devices
• Computer keyboards
• Door handles and light switches
These surfaces need more attention than others.
Practical Tips to Reduce Germ Spread
• Clean high-risk surfaces daily
• Use proper disinfectants in high-risk areas
• Replace cleaning tools regularly
• Wash your hands often, especially after touching high-risk surfaces
• Try not to touch your face
For homes and businesses that require proper hygiene and
cleaning practices, it is recommended that they seek professional help from a
company like Cleaning Services Mornington Peninsula.
But can we ever completely eliminate all germs? Not exactly—we’re really just aiming to reduce the risk as much as possible.
If we understand how long bacteria and viruses linger on
various surfaces, we can use more intelligent behaviors to reduce the risks of
infection in our area.
If we are in a location where hygiene is a concern, such
as an office or a shared living space, we can contact a company such as Cleaning Services Mornington Peninsula to
help us do a better job at staying clean.
Final Thoughts
Just because a surface appears clean does not mean it is
clean. Germs are invisible, resilient, and can linger longer than we expect
them to. However, we can use this knowledge to our advantage.
The more we do to clean, the more we need to do it
correctly.
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