Tuesday, March 31, 2009

What Is Norovirus? How Contagious Is It? Can It Be Fatal?

NASTY NOROVIRUS: Virus particles like these are responsible for sickening 23 million people in the U.S. every year. GrahamColm via Wikimedia Commons

From Scientific American:

A Massachusetts college closes down after over 100 students fall ill with norovirus infections.

An outbreak of stomach flu believed to be caused by norovirus has prompted a temporary shutdown of Babson College, a small business college and graduate school in Babson Park, Mass. School officials announced that classes, meetings, athletic events and all other activities would be canceled until Wednesday, when the school is expected to have the outbreak under control.

Dennis Hanno, Babson's undergraduate dean, says that 131 students have visited the school's health services clinic since Wednesday complaining of nausea, vomiting and diarrhea—all symptoms associated with norovirus, a group of viruses formerly known as Norwalk-like viruses. "We saw a high of 40 reported cases on Friday," Hanno told ScientificAmerican.com, noting that the numbers have dropped significantly since then with only four cases reported today. The main concern with this stomach virus, Hanno says, is that it may cause severe dehydration; 12 of the students received fluids intravenously to replenish those lost.

Read more ....

No comments: