A task force, led by medical and environmental authorities, is monitoring New Orleans for disease outbreaks.

Based at an open and operating hospital among the receding flood waters, Health and Human Services Secretary Mike Leavitt says the team will "begin to make judgments about when New Orleans is safe to re-inhabit

A task force, led by medical and environmental authorities, is monitoring New Orleans for disease outbreaks.

Based at an open and operating hospital among the receding flood waters, Health and Human Services Secretary Mike Leavitt says the team will "begin to make judgments about when New Orleans is safe to re-inhabit

Public health officials express concern Tuesday about possible chemical contamination of waters flooding New Orleans, saying no one yet knows whether industrial leaks occurred.

Health and Human Services Secretary Mike Leavitt says a task force led by medical and environmental authorties are working to monitor for disease outbreaks, and will decide when New Orleans is safe to re-inhabit

A cholera outbreak in northeastern Nigeria kills 30 people.

The state government says medical teams have already started working to check the spreading of the bacterial infection of the intestine

Officials with the United Nations warn a cholera epidemic, rapidly spreading throughout West Africa, has already claimed 500 lives and infected thousands more.

Herve Ludovic de Lys, head of the UN humanitarian coordination office in the region, says the outbreak needs an immediate response