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With summertime ’s muggy weather , people are constellate to swim in the ocean or soak up the sun , and the more adventurous are perhaps eating oysters on the half shell .

But those summertime activities can have some filthy side burden — including an infection triggered by marine bacteria calledVibrio vulnificus . Last week , a Louisiana valet de chambre died from an contagion from the bacterium that he acquired over the July 4th weekend , consort to news report .

raw oysters on a plate

Theocean microbe , which is related to the bacteria that do cholera , is often picked up from eating raw oyster . ButV. vulnificuscan also enter the body through an open wound , and have nasty , skin - eating infection , said Kimberly Reece , a molecular geneticist and marine scientist at the Virginia Institute of Marine Science in Gloucester Point , Virginia , who read the bacteria .

" It ’s in the environment all the time , " Reece say .

But although the bacteria are almost always lurking in the water system , they are usually not severe for tidy the great unwashed , Reece said . And there are several steps people can take to preclude serious contagion , Reece added . [ 6 Superbugs to Watch Out For ]

An Indian woman carries her belongings through the street in chest-high floodwater

Mostly harmless

V. vulnificustend to multiply in warmer salt water , which means bacterial concentrations can lift dramatically in the summer calendar month . Infections are also more rough-cut among the great unwashed who enter the crackers waters of theGulf of Mexicoand the Atlantic compared with those who wade into the more frigid Pacific Ocean , Reece said .

Most of the time , the bacteria are harmless . But the microbes collect in the bodies of oyster and other shellfish . citizenry who eat raw or undercooked oyster bunk the in high spirits risk of contractingV. vulnificusfrom food , Reece said .

A multi-colored microscope image of tissue infected with nocardiosis. The image is mainly pink and purple in color.

mass can also be infected with the bug if they have an unfastened wounding and go swimming in pee with high levels of the bacteria .

Most people confront a minimum threat from the bug .

" The only citizenry who commonly become very inauspicious withVibrio vulnificusare people who are diabetic or their immune systems are compromised , " Reece narrate Live Science , adding that not every person who has a weaken immune system of rules bonk it .

3D computer illustration of the spherical bacteria, Streptococcus pyogenes, or group-A Streptococcus, bacteria.

For those who have ingested the bacterium , distinctive symptom admit diarrhea , vomiting and serious dehydration . Those who acquire theflesh - feeding infectionmay have what calculate like raw , open wounding spreading across their skin .

Sometimes , however , mass who acquire the infection by either route educate blood poisoning , or a systemic blood infection , which can kill them , Reece say .

acquire precaution

Researcher examining cultures in a petri dish, low angle view.

There are strict regulations for how to handle oyster in the summer calendar month , and huitre farmers will often flaunt - freezing or dry shellfish immediately after harvesting them to preventVibrio vulnificusproliferation , Reece said .

But the surest way to deflect the bug is tonot consume raw or undercooked mollusc , especially during the summertime months when the bacteria fly high . People should also make trusted they are buying their mollusc from reputable reaper who use secure handling techniques , she added .

multitude can also quash the infection by continue out of the piss if they have an open cut of meat or huffy .

A close-up picture of a black and red tick perched on a leaf

Anyone who develops a foul - looking sore , or an upset venter after being exposed to the hazard factors , should go to a Dr. instantly , according to Reece . V. vulnificusinfections can be treated with antibiotics , but treatment is more in force if it ’s done soon after the transmission study handgrip .

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