What harm a body gets after swimming in the ocean?

On the surface of human skin lives a trillion different bacteria — this combination of microorganisms is called the microbiome and protects the body from external exposure to allergens and other external stimuli. Sometimes this natural layer of protection can collapse, making people susceptible to infectious diseases. It turned out that sometimes the destructive effect of waiting in the most unexpected places — researchers from the University of California, Irvine found that the human microbiome varies even after swimming in the ocean.

The discovery was made in the course of controlling the skin microbiome of nine volunteers. Each of them had been in ocean water for 10 minutes, and the researchers analyzed their skin immediately after bathing, and after 24 hours stay in the water. The scientists, led by Professor Marisa Nielsen, found dramatic changes in the microbiome have all nine — it was restored to its original status only a day later, and throughout this time could miss the infection.

Swimming in the ocean leads to infectious diseases

Researchers are particularly puzzled by the fact that the skin of all volunteers were found Vibrio cholerae bacteria of the family Vibrionaceae, which includes about 40 species. Most of them are not pathogenic, but dangerous is still there, and they may persist on the human body and cause various diseases.

The most pathogenic for the human species are considered of Vibrio parahaemolyticus and Vibrio vulnificus. The influence of the latter the most fatal because it is easily cause blood poisoning. Usually this type often suffer from residents of Africa, the literature describes the case when people get infected by bacteria after using for domestic purposes the water in which hippos bathe.

Vibrio

From what is written above, it follows that swimming in the ocean can be more dangerous than being in the sea water and especially in the shower or tub. While scientists don’t fully appeal to beware of the oceans, the results of their study are simply a reminder that the water contains potentially harmful bacteria.

Swimming in the ocean is dangerous not only in the presence of different bacteria, but also due to the presence of huge waves. At the beginning of 2019 Japanese satellite Himawari-8 was able to fix on the North Pacific wave height of 17 meters. More information can be read in our material.

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