NewsWorldNaegleria fowleri, the brain-eating amoeba that grows with climate...

Naegleria fowleri, the brain-eating amoeba that grows with climate change


These types of organisms live in waters that are over 30 degrees Celsius. Infections have now begun to be detected in the northern states of the United States where the water is presumably colder. southern states This summer a Nebraska boy died from a rare infection caused by Naegleria fowleri, a brain-eating amoeba. The little boy became infected after swimming in a river near Omaha, the amoeba presumably entering his nose while he was swimming. It was the second death in the US Midwest as a result of primary amoebic meningoencephalitis, which is how the infection caused by Naegleria fowleri is known. alarms. Infections with this type of amoeba usually occur in southern states because these types of organisms live in water that is warmer than 30 degrees. But Naegleria fowleri have begun to be detected in northern US states where the water is presumably cooler, or was until climate change began to show its effects. A 2021 study showed that while the rate of infections did not has moved, the amoeba is moving from southern states to midwestern areas. Cases have been detected as far north as Minnesota. Detected in areas where there were none before The pathogen was first discovered in Iowa this summer, after a person died in Lake of the Three Fires. Iowa is one of the coldest regions in the United States with an average daily high temperature of only 16 degrees, in summer it does not usually go above 26-27º, or used to. What was striking was that a weather station near the lake where the infection occurred recorded high temperatures of around 35°C on two consecutive days on July 4, when the swimmer is believed to have contracted the amoeba. The warmer temperatures not only facilitate the survival and growth of pathogens such as Naegleria, but also cause people to go deeper into the water, which may increase their risk, experts say. It is also believed that due to the climate crisis it is also exacerbating extreme weather events, such as floods and droughts, which can introduce more pathogens into the environment. Where the infections occur About 8 cases of Naegleria fowleri infection are reported in the United States each year. Cases of people who had been infected in lakes, ponds, reservoirs, rivers, streams or other open-air aquatic spaces. Most cases are fatal. The amoeba enters the brain through the nasal passages, causing an acute brain infection that usually results in death within 3 to 7 days of the onset of symptoms. According to the CDC, only four people out of 151 have survived the infection between 1962 and 2020. The good news (if there is any) is that the condition is not contagious from one person to another, meaning it cannot be transmitted and neither can it seems that someone can get infected by drinking contaminated water, a person can only get infected when contaminated water goes up the nose. .Most cases are in men under the age of 18, although it is not clear why. Young children may be more likely to participate in activities such as diving into water and playing in the sediment at the bottom of lakes and rivers, where the pathogen is likely to reside. Symptoms reported by the infected person are malaise, fever , headache, nausea, or vomiting, progressing to stiff neck, loss of balance, hallucinations, and seizures.



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