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–  You may want to pack hand sanitizer next time you fly.

A new study from a team of experts from the UK’s University of Nottingham and the Finnish National Institute for Health and Welfare, published in the BMC Infectious Diseases journal, has revealed those airport security plastic trays are the biggest culprit for spreading germs in airports.

So next time you’re dumping your phone, passport and laptop into the tray — it might be worth having the hand sanitizer handy.

“Oh that’s gross, I don’t like that,” said traveler Vanessa Gonzalez.

Revealing study

The team monitored germ levels on a variety of surfaces at Helsinki-Vantaa airport in Finland during the winter of 2016.

Germaphobes will be horrified to find out they found evidence of viruses on 10% of all the surfaces they tested. Other germ hotspots were shop payment terminals, staircase rails, passport checking counters, children’s play areas and — unavoidably — in the air.

There was evidence of rhinovirus — the cause of the common cold — plus some signs of influenza.

Surprisingly, their swabs didn’t detect respiratory viruses on the toilet surfaces.

“This study supports the case for improved public awareness of how viral infections spread,” said Professor of Health Protection, Jonathan Van Tram, from the School of Medicine at the University of Nottingham, in a statement.

“People can help to minimize contagion by hygienic hand washing and coughing into a handkerchief, tissue or sleeve at all times but especially in public places.”

His team-partner, virology expert Niina Ikonen from the Finnish National Institute for Health and Welfare, added: “The results also provide new ideas for technical improvements in airport design and refurbishment.”

At the end of the study, the team suggest that airports could provide “hand sanitization opportunities where intense, repeat touching of surfaces takes place such as immediately before and after security screening.”

It’s also suggested that the trays — and other frequently touched surfaces — could be cleaned more regularly.

The study pointed out that handling the plastic security trays is almost inevitable for travelers — unlike using airport store payment points, for example.

“A passenger has a virus and they breathe down into them, they can deposit a little bit of virus along with their shoes and luggage into the bin,” said Dr. William Schaffner.

Vanderbilt University Medical Center’s Dr. William Schaffner says overall the bins are not a major source of infection.

Colds an flus are mostly spread through the air.

“Someone has the virus and breathes it out, I’m within three feet and I breathe it in. That’s how these viruses are spread,” said Dr. Schaffner.

Experts say it’s important to regularly wash your hands when you’re traveling, advice Amy Wallace already follows.

“I go to the bathroom and wash my hands when I’m traveling with my kids I carry a little bottle size hand sanitizer,” said Wallace.

On board

Even if you avoid airport germs, previous studies have shown airplanes are equally as dirty.

2015 study from Travelmath reported that the tray table was the number one offender, with overhead air vents also among the most germ-filled surfaces.

Of course, interacting with these surfaces, whether before you fly or on board, is no guarantee of picking up a virus.

Your best bet? Wash your hands as much as possible and keep the trusty hand sanitizer on standby.

(CBS/The-CNN-Wire™ & © 2018 Cable News Network, Inc., a Time Warner Company. All rights reserved.)