How many of you have felt sick following a flight, only to chalk it up to a virus or sinus infection you caught from a fellow passenger? What if I told you, you may have been poisoned by pesticides on the plane without knowing it?

If you have a fear of flying, the terror just catapulted to a whole new level.

While booking my ticket to Rome, Italy a few weeks ago, the agent quickly read a TSA disclaimer that had me do a double take. So much so, that I stopped her in her tracks and asked her to repeat herself. Basically, if I wanted to travel, I had to agree to the airline’s right to apply pesticides on the plane. In other words, I had to willingly agree to be exposed to poisons.

The routine procedure is called Disinsection. A seemingly made up word.

Disinsection is permitted under international law in order to supposedly protect public health, agriculture, and the environment,” states the Department of Transportation.

According to The World Health Organization (WHO) and the International Civil Aviation Organization, certain aircraft cabins are sprayed with a ‘quick-acting insecticide’ immediately before take-off, while passengers are on board.

Alternatively, they sometimes treat the interior of the aircraft before passengers come on board, using a “residual-insecticide aerosol.”

Lastly, they also can apply “residual insecticide to all internal surfaces of the aircraft, except those in food preparation areas.” So breath deep and make the most of that recycled air!


Chemical Attacks Amid The Friendly Skies

I personally don’t think being subject to a pesticide spray while I am stuck in a pressurized cabin is protecting my health; it’s just the opposite—it’s an assault. What happens to people with asthma or someone like me who suffers from an auto immune condition and is uber sensitive to chemicals?

When I started sharing my findings, it didn’t take long to find a victim. “I’ve been feeling like crap ever since I arrived,” says Heather Greene, a farmer and graduate student in Food Systems and Social Justice at Marylhurst University in Oregon. She is taking the critical food studies program at GustoLab International Institute with me in Rome. “My ankles got swollen and I still feel like a have a sinus infection. When I did some research I found out that I was suffering similar symptoms to others who had come into contact with insecticides on planes.”

Reported symptoms include acute respiratory and sinus problems, rash/hives, headache, and anaphylactic shock, as well as chronic immune, respiratory, and neurological problems.

If you are  a passenger concerned about exposure or feel unwell after being sprayed while on an aircraft for disinsection, the WHO really downplays concerns and symptoms, and denies any link between illness and airline spraying. Their website states that there’s “no evidence that the specified insecticide sprays are harmful to human health when used as recommended.”

Meanwhile, individual airlines then use the WHO to justify their actions, stating things like, “Well WHO says disinsection is safe.”

I say WHO cares?

Large amounts of a mild poison, in an enclosed space over long periods of time? Do we really need science’s input on this one?

The most widely used pesticides for aircraft cabins are synthetic pyrethroids, particularly the chemicals d-phenothrin or permethrin. These are synthetic variations of a chemical found in the chrysanthemum that kills by interfering with insect nervous systems. There are also ‘inert’ ingredients that are also dangerous.

And they do effect human health, and not in a positive way. Take  the prison guard who developed strange symptoms after being exposed. Also, multiple studies have revealed a link between permethrin and Parkinson’s disease.

“With little ventilation and in such a closed space, spraying pesticides on airplanes while passengers are still on board is troubling, particularly for sensitive groups like children, pregnant mothers, the elderly, and those with chronic conditions,” says Drew Toher Public Education Associate at Beyond Pesticides.

“Even if people are not present during spraying, pesticides applied in such an environment present a risk of residual exposure.”

Think about it. Passengers and employees sealed in a chamber that has been gassed for hours.

According to an article I found, Dr Jai Kumar, a neurologist and director of the Primary Stroke Centre at Baylor Hospital in Texas, recently stated that the spraying of pesticides on planes with chemicals like phenothrin, a neurotoxin, carries the risk of causing cancer and auto-immune diseases as lupus, Parkinson’s disease and memory loss among others.

Residual disinsection has been found to pose a hazard to flight attendants. Meanwhile, Beyond Pesticides wrote a story a few years ago about a flight attendant for Quantas who was suing the company, blaming required pesticide spraying for resulting in his Parkinson’s diagnosis.

Unfortunately, when airline employees try to get compensation, it’s often denied on the grounds they can’t prove the pesticide exposure has caused the condition. This is a site that supposedly was collecting signatures on behalf of victims, however it is blocked for me personally, while i write this from Italy.  If someone has access, leave a comment about it.

Accumulating Effects

I started looking back and taking an inventory of all the flights I could have been exposed to over the years. Quite a few. (See list of countries that require spraying below.)

Until the late 1970s, airlines sprayed DDT on planes!!! According to a blog I found from a fellow activist, Northwest Airlines used Bolt, a pesticide that contains chlorpyrifos, a potential nervous system poison from 1986 to 1996.

Many countries require disinsection of aircrafts from countries with insects that spread disease, such as malaria and yellow fever. These spraying methods can control malarial mosquitoes and bugs that cause Chagas for instance; the poisons also effect cockroaches, fleas, ticks, biting mites and even rodents.

Some countries, e.g. Australia and New Zealand, routinely carry out disinsection to prevent the inadvertent introduction of species that may harm their agriculture.

Countries requiring the disinsection of all in-bound flights with an aerosolized spray while passengers are on board include:

  • Cuba
  • Ecuador (only Galapagos and Interislands)
  • Grenada
  • India
  • Kiribati
  • Madagascar
  • Seychelles
  • Trinidad and Tobago
  • Uruguay

Each airline has it’s own practices and has to abide by country mandates. Delta for instance, claims it doesn’t spray while passengers are on board, treating with residual applicants or spraying before passengers board instead. And then one in every eight weeks the entire plane is immersed in a “cloud of stuff” for extra precaution measures. Incidentally, the wait time before humans board is only 45 minutes following an application.

When I asked one airline about the dangers posed on employees, he assured me that stewardesses walk the corridors of the plane while spraying behind them. Really? A sweet but naive comment for someone in charge of overseeing environmental conditions.

More research has to go into identifying and recommend implementation of sustainable, nontoxic alternative methods of minimizing the importation of disease vectors in aircraft cabins.

One alternative method so far is the use of an “air curtain,” where curtains direct air currents at doorways to exclude pests. The U.S. Department of Agriculture has affirmed that this is an effective method at preventing pests from entering an aircraft.

The reality is that more sustainable measures require more time (who has that?) and money. “It’s expensive and difficult to implement,” the airline employee said.

Here’s footage of a stewardess casually spraying poisons in a plane. How many just assume they are spraying air freshener?

I want to start a class action lawsuit and stop this nonsense. Please leave comments and share your stories so I can include them in my findings. Maybe we can even start a class action loss suit. Email me at maryam [at] honeycolony [dot] com.

Maryam Henein is an investigative journalist, professional researcher, and producer of the award-winning documentary Vanishing of the Bees.

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  • Bita Miranda Hunt

    Even if it’s air freshener it’s still a vile act against humanity!

  • MWT

    In 1980, I flew to Australia for the first time with my family. When we arrived, a flight attendant explained that by law, they had to spray insecticide before we could deplane. She assured us that it was harmless to humans. I remember a well dressed, well manicured flight attendant walking down the aisle with two cans of aerosol, spraying one on each side, directly over our heads. My Mom, a public health nurse, said, “Oh, great. Put your head down and try not to breathe in the spray. I wonder if we’ll all get cancer now.” I remember thinking that I wouldn’t want to be one of those flight attendants being exposed to an insecticide nearly every working day.

  • Sandie F

    Absolute IGNORANCE!

  • Tricia Mo’orea

    Horrible? Don’t we get inundated with enough toxins?

  • MermaidCompany

    Its a disgrace. First time I ever experienced that was in the Caribbean when flying farther down island. Now, WHAT IS THE STUFF THAT COMES OUT OF THE VENTS UNDER LUGGAGE RACKS???? It’s the pesticides, I’m sure. Does the presidents plane have that I wonder???

  • Wizzzard

    I wonder if disinsection helps control small hive beetle, various mites and the spread of Asian bees.

  • Art Dallas

    Pesticides are not just used on airlines, every building you enter has been sprayed, usually monthly. We are exposed each month, everywhere.
    The solution is to move to the country-side where cleaner air and water can still be found. If you decide your life isn’t important enough to move away from your pesticide spraying neighbours, then buy yourself a Heavenly Heat sauna (the ONLY chemically free sauna) and sweat out those toxins with daily use for several months.