Saturday, June 11, 2011

When it Rains, It Pours

This really just isn't fair:
In the aftermath of the Joplin tornado, some people injured in the storm developed a rare and sometimes fatal fungal infection so aggressive that it turned their tissue black and caused mold to grow inside their wounds.

Scientists say the unusually aggressive infection occurs when dirt or vegetation becomes embedded under the skin. In some cases, injuries that had been stitched up had to be reopened to clean out the contamination. . . .

The infection develops in two ways: when the fungal spores are inhaled or when a tree branch or other object carrying the fungus pierces the flesh.

Most people who get sick by inhaling the spores already have weakened immune systems or diabetes. But healthy people can become sick if the fungus penetrates their skin. The fungus blocks off blood vessels to the infected area, causing tissue to turn red and begin oozing. Eventually it becomes black.

If diagnosed in time, the infection can be treated with intravenous medications and surgical removal of affected tissue. But it’s considered exceptionally dangerous, with some researchers reporting fatality rates of 30 percent for people infected through wounds and 50 percent for susceptible people who breathe it in.

The CDC says this is the first time they have observed such a large cluster of these infections, known as zygomycosis.

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