Rare Infection Passed on by Organ Donor

Balamuthia mandrillaris

What it it?
It is a free-living leptomyxid amoeba which is known to cause amoebiasis in humans, especially the deadly neurological condition known as primary amoebic meningoencephalitis. (source:wiki)

Thats alot of big words, for a condition that is usually fatal, with few recorded symptoms. Mostly due to only a few real reported cases.
Encephalitus is rough stuff. (source:me) It's a swelling in your brain.

JACKSON, Miss. – An extremely rare infection has been passed from an organ donor to at least one recipient in what is thought to be the first human-to-human transfer of the amoeba, medical officials said Friday.

Organs are routinely tested for HIV, hepatitis and other more common infections, but occasionally rare ones slip through.
"We test for the known harmful diseases, but there's not a test for every single pathogen out there," said Dr. Kenneth Kokko, medical director of kidney transplants at UMMC.

Complete article, click here.

As far along as we are, with technology and science, it just shows that there isnt a one-way safe route for all medical tests. As much as we know, there are things that can slip through.