Person gets sick, dies from amebic infection after swimming in Texas lake

by: Abigail Jones

Posted: Aug 30, 2023 / 04:07 PM EDT

Updated: Aug 30, 2023 / 04:17 PM EDT

TRAVIS COUNTY, Texas (KXAN) — A person in Texas got sick and died after developing an illness caused by an amebic meningitis infection after swimming in Lake Lyndon B. Johnson earlier this month.

Austin Public Health reported the death and urged people to take precautions when swimming in natural bodies of water amid the ongoing, intense heat Texas is experiencing.

According to the Centers for Disease Control and Prevention, amebic meningitis, or primary amebic meningoencephalitis (PAM), is a rare brain infection that is caused by Naegleria fowleri and is usually fatal. Naegleria fowleri is a free-living amoeba that lives in warm fresh water and soil around the world and infects people when it enters the body through the nose.

A teenager in Georgia died from the same cause last month, also after swimming in a lake.

“Although these infections are very rare, this is an important reminder that there are microbes present in natural bodies of water that can pose risks of infection,” said Austin-Travis County Health Authority Dr. Desmar Walkes. “Increased temperatures over the summer make it ideal for harmful microorganisms to grow and flourish.”

A sample specimen from the case has been sent to the Centers for Disease Control and Prevention for further identification.

There are many risks associated with swimming in natural bodies of water, including amebic infections, according to APH. To reduce the risk of infection, APH recommends the following precautions:

Amebic meningitis does not occur if water is swallowed, but can be fatal if forced up the nose, which can occur when jumping into water, diving, water-skiing, or other water activities. It is not found in salt water or in properly maintained and chlorinated pools.

Symptoms of an amebic meningitis infection start with severe headache, fever, nausea, and vomiting and progress to stiff neck, seizures, and coma and can lead to death. These rare infections usually occur when it is hot for prolonged periods of time, which results in higher water temperatures and lower water levels.

If someone has sudden, adverse symptoms after swimming, they should contact poison control or their medical provider.

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