1romu>` ro5o]x^j 1romu8y 4 - germs at the airport... ·...
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Insurance Quotes (/) > Free Medical & Health Insurance Quotes | InsuranceQuotes (/health) > Germs at the Airport
Article Topics:
Germs at the Airport
Monday, January 22, 2018 12:30:00 PM
Your bags are packed, travel insurance (https://www.insurancequotes.com/insurance-tips/travel-insurance) is purchased, and there’s plenty
of time before your �ight to make it through the dreaded security line during the peak holiday season. Vacation mode is �nally on, and your
worries are at ease – but should they be?
Although 2017 was historically the safest year (https://www.forbes.com/sites/niallmccarthy/2018/01/02/2017-was-the-safest-year-in-the-
history-of-commercial-air-travel-infographic/#153ad5b260d4) for commercial air travel, travel dangers aren’t always as large as the planes
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we �y in. With the number of travelers increasing (http://www.cnn.com/2017/12/23/us/holiday-travel-forecast-2017/index.html) every year for
the past nine years, it’s easy to see the increased foot tra�c through airports. What we can’t see are the risks that come with the travelers –
the germs brought in by passengers and left waiting for their source of transportation: you.
Over this busy holiday season, we conducted 18 tests across six surfaces from three major U.S. airports and airline �ights. We sent our
swabs to the lab and found the average number of viable bacteria and fungal cells per square inch, or colony-forming units (CFU), to see
how clean traveling really is. Keep reading to see which surfaces were the dirtiest and what germs you may have met along the way.
Check Out the Germs at Check In
The Harts�eld-Jackson International Airport in Atlanta has been the busiest airport in the world (https://www.cnbc.com/2017/12/19/why-the-
atlanta-airport-the-busiest-in-the-world.html) since 1998, with the latest data reporting over 104 million passengers passing through in 2016.
With mass amounts of tra�c, self check-in kiosks are the quick stop for many �yers. The kiosks may o�er more convenience, but at what
cost? According to our research, the average self check-in screen contained 253,857 CFU – over 13 times more than the average CFU of
an airport water fountain button. One check-in screen recorded over 1 million CFU. In comparison, an average of only 172 CFU
(http://www.nsf.org/newsroom_pdf/2011_NSF_Household_Germ_Study_exec-summary.pdf) are found on toilet seats.
Kitchen sinks and armrests on airline gate benches were far from similar, except when it came to average CFU levels. Despite the kitchen
being the most contaminated place (https://www.healthline.com/health/germy-places#kitchen) in homes and housing more bacteria
(https://www.usatoday.com/story/news/nation-now/2017/03/23/your-iphones-dirtier-than-toilet-and-so-these-other-everyday-
items/99530570/) than a toilet seat, armrests were even dirtier. Food remnants and dirty dishes left an average of 21,000 CFU in kitchen
sinks – 630 CFU less than airline gate bench armrests.
Flying the Sickly Skies
Airports see a lot more tra�c than airplanes; therefore, it makes sense the average CFU found in planes is a lot less. However, they’re still
pretty high compared to most common household surfaces. Lavatory �ush buttons were the dirtiest, with an average of 95,145 CFU,
while a kitchen countertop had an average 361 CFU. It’s often thought airplanes are cleaned between each �ight, but the FAA actually
doesn’t regulate or inspect (https://www.thrillist.com/travel/nation/airplane-seats-clean-dirty) aircraft cleaning. Each airline can decide how
often and how well an airplane is cleaned, so if the turnaround time between �ights is low, the plane may not be cleaned at all. Even when
a plane is cleaned, general cleaners are used rather than stronger disinfectants, leaving dangerous germs right in your lap.
No Need to Go Beyond the Surface
Germs and bacteria have a bad reputation – after all, they’re the ones that make us sick, right? Not all germs and bacteria are harmful to
humans, however. In fact, some bacteria are needed for our bodies to work properly, and not having enough is what can make us sick.
These disease-�ghting bacteria are usually gram-positive rods (http://fermup.com/blog/what-does-gram-positive-mean/) – helpful, probiotic
bacteria. Don’t let your guard down fully, though – they can also be pathogenic (https://www.medicinenet.com/script/main/art.asp?
articlekey=9585). They were most likely to be found on airport water fountain buttons, making up 59 percent of CFU.
Gram-positive cocci (http://www.merckmanuals.com/professional/infectious-diseases/gram-positive-cocci/streptococcal-infections) are from
the same family of bacteria with a di�erent cell shape but are far more dangerous. Many infections
(https://medlineplus.gov/staphylococcalinfections.html) can stem from these bacteria, including pneumonia
(https://wwwnc.cdc.gov/travel/diseases/pneumococcal-disease-streptococcus-pneumoniae), skin, ear, and sinus infections, food poisoning,
meningitis, bacteremia, and toxic shock syndrome. Gram-positive cocci were found on all surfaces tested in the airport and on the plane –
the greatest percentages found on lavatory �ush buttons (82 percent) and tray tables (65 percent).
One-third of the bacteria found on tray tables were bacillus (https://www.medicinenet.com/script/main/art.asp?articlekey=10960) – bacteria
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that cause food to spoil and some diseases in humans. While there is a chance these bacteria can cause anthrax
(https://www.ncbi.nlm.nih.gov/books/NBK7699/) and be involved in various infections, some strains aide in digestion.
A bench armrest at an airport gate was the only place with a large collection of yeast – these fungi made up 40 percent of the CFU tested
there
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. Luckily, yeast is a common fungus (https://www.medicinenet.com/script/main/art.asp?articlekey=6051) found on human skin and areas
prone to moisture and are typically harmless. An accumulation of yeast can lead to infections but are unlikely to develop just leaning on an
armrest.
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The last germ we screened for was also the most dangerous. Gram-negative rods (https://www.cdc.gov/hai/organisms/gram-negative-
bacteria.html) cause infections that are most common in health care settings – pneumonia, bloodstream infections, wound or surgical site
infections, and meningitis. On top of causing serious infections, these bacteria are resistant to multiple drugs and can even resist newer
ones. Seat belt buckles were where they were most commonly found, making up 46 percent of total CFU. Armrests on airline gate benches
were also popular homes to these pesky germs – 40 percent of the bacteria tested were found to be gram-negative rods.
On the Road or in the Air
Germs are everywhere and unavoidable, but certain surfaces are clearly riskier than others. Self check-in kiosks had the largest collection
of bacteria most likely to make you sick. Opting for the faster route may be logical if you’re short on time or just hate waiting in lines, but
be cautious of the risk. Carry sanitizer with you when traveling, or one of the millions of germs you come in contact with may have you
exchanging vacation days for sick days.
Staying protected when traveling is important – whether it’s risks like weather, accidents, or sickness, travel insurance can help make sure
your vacation doesn’t become a �nancial loss. But with all the germs traveling with you, health insurance
(https://www.insurancequotes.com/health/travel-health-insurance-tips) may be just as important. At insuranceQuotes
(https://www.insurancequotes.com/) you can easily shop the widest network of carriers and agents in the industry so you can �nd the best
policy for you. Visit us online today.
Methodology
We conducted 18 gram and stain culture swab tests across six surfaces. Each surface was swabbed three times at three major U.S.
airports or on di�erent major airline U.S. �ights. Colony-forming units per square inch were averaged for each surface type. Individual
surfaces were chosen based on perceived tra�c and accessibility.
It is possible that with a larger sample size of surfaces, we could have gained more insight into CFU levels. No statistical testing was
performed, so the claims listed above are based on means alone. As such, this content is exploratory.
Sources
http://www.nsf.org/newsroom_pdf/2011_NSF_Household_Germ_Study_exec-summary.pdf
(http://www.nsf.org/newsroom_pdf/2011_NSF_Household_Germ_Study_exec-summary.pdf)
https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/gram-positive-cocci
(https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/gram-positive-cocci)
http://fermup.com/blog/what-does-gram-positive-mean/ (http://fermup.com/blog/what-does-gram-positive-mean/)
https://www.medicinenet.com/script/main/art.asp?articlekey=6051 (https://www.medicinenet.com/script/main/art.asp?articlekey=6051)
https://www.medicinenet.com/script/main/art.asp?articlekey=10960 (https://www.medicinenet.com/script/main/art.asp?
articlekey=10960)
https://www.forbes.com/sites/niallmccarthy/2018/01/02/2017-was-the-safest-year-in-the-history-of-commercial-air-travel-
infographic/#153ad5b260d4 (https://www.forbes.com/sites/niallmccarthy/2018/01/02/2017-was-the-safest-year-in-the-history-of-
commercial-air-travel-infographic/#153ad5b260d4)
https://www.local10.com/news/national/more-than-100-million-americans-to-travel-over-holidays
(https://www.local10.com/news/national/more-than-100-million-americans-to-travel-over-holidays)
https://www.cnbc.com/2017/12/19/why-the-atlanta-airport-the-busiest-in-the-world.html (https://www.cnbc.com/2017/12/19/why-the-
atlanta-airport-the-busiest-in-the-world.html)
https://www.healthline.com/health/germy-places#kitchen (https://www.healthline.com/health/germy-places#kitchen)
https://www.usatoday.com/story/news/nation-now/2017/03/23/your-iphones-dirtier-than-toilet-and-so-these-other-everyday-
items/99530570/ (https://www.usatoday.com/story/news/nation-now/2017/03/23/your-iphones-dirtier-than-toilet-and-so-these-other-
everyday-items/99530570/)
http://healthcare.bioquell.com/en-us/resources-and-support/e�cacy/bacteria/gram-positive-rods (http://healthcare.bioquell.com/en-
us/resources-and-support/e�cacy/bacteria/gram-positive-rods)
http://www.fpnotebook.com/id/Bacteria/GrmPstvBctr.htm#fpnContent-panel-id_0
(http://www.fpnotebook.com/id/Bacteria/GrmPstvBctr.htm#fpnContent-panel-id_0)
https://medlineplus.gov/staphylococcalinfections.html (https://medlineplus.gov/staphylococcalinfections.html)
https://wwwnc.cdc.gov/travel/diseases/pneumococcal-disease-streptococcus-pneumoniae
(https://wwwnc.cdc.gov/travel/diseases/pneumococcal-disease-streptococcus-pneumoniae)
https://www.medicinenet.com/script/main/art.asp?articlekey=10960 (https://www.medicinenet.com/script/main/art.asp?
articlekey=10960)
https://www.ncbi.nlm.nih.gov/books/NBK7699/ (https://www.ncbi.nlm.nih.gov/books/NBK7699/)
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https://www.medicinenet.com/script/main/art.asp?articlekey=6051 (https://www.medicinenet.com/script/main/art.asp?articlekey=6051)
https://www.cdc.gov/hai/organisms/gram-negative-bacteria.html
(https://www.cdc.gov/hai/organisms/gram-negative-bacteria.html)
Fair Use Statement
Instead of sharing germs, feel free to share this study. We permit you to use the images and content here for noncommercial purposes. Just
don’t forget to link back to this page to give the authors proper credit.
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