It turns out that the pink stain found in the bathroom is not mold, but bacteria that can cause respiratory infections.
According to the British media ‘The Mirror’ on the 13th (local time), Casey Stevens, a cleaning expert living in Melbourne, Australia, posted a video on social media and warned about pink stains seen in bathrooms.
In the video, Casey shows himself using a mop to remove pink stains from a corner of the bathroom and says, “The pink stuff is actually bacteria, not mold.” He emphasized, “If this bacteria accumulates in the bathroom because it is not cleaned, it can cause respiratory infections in severe cases, so it must be washed regularly.”
The official name of this bacterium is ‘Serratia Marcescens’.
According to a paper published in the National Library of Medicine in 2013, Serratia marcescens is an opportunistic pathogen. Opportunistic pathogens do not cause disease in a healthy state, but can cause infection symptoms as body functions decline.
Serratia marcescens was first discovered by Italian pharmacist Bartolomeo Vichio in 1819. These bacteria can cause urinary tract infections, respiratory infections, conjunctivitis, and in rare cases, pneumonia and meningitis. It prefers humid environments and usually appears as a red, sticky film on bathroom tiles, toilets, and sinks.
It is found not only in home bathrooms but also in medical institutions. Bacteria found in hospitals are resistant to some antibiotics, causing sepsis and making treatment difficult.
Once these bacteria appear in a bathroom, etc., it is difficult to completely eradicate them, but they cannot be temporarily eliminated using bleach. It has been reported that frequent ventilation and drying of the bathroom can prevent bacterial growth.
Hyewon Lee, Donga.com Reporter [email protected]
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