Under the microscope, microorganisms offer a fascinating picture. Bacteria, viruses, fungi or protozoa come in pretty, bright colours and interesting shapes: green balls with or red ones without handsome spikes, orange spirals, blue spheres, yellow rods, violet blotches or grey furry polka-dots. Luckily, the majority of bacteria are considered harmless to helpful. Other lifeforms invade our immune system and cause tremendous havoc in our bodies. Against some, no approved and/or effective pharmaceuticals are available on the market as of yet.

The more populated or frequented a place is, the more germ-infested it becomes. Being of the travelling kind and a member of the cosmopolitan crowd: Have you ever wondered about the degree of cleanliness while at an airport or aboard an aeroplane? If you have, what comes next won’t be surprising news to you. If you haven’t, you better brace yourselves. Travelmath, an online trip calculator, conducted a study on the hygiene on site and sent out a microbiologist to take samples from five airports and four flights – with disconcerting results. Albeit, the most unappetising surface is not the lavatory’s door handle, as is often anticipated. Here’s the hit list of the ugliest bacteria spins:

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