Diagnosis: Unknown

Outside of Roanoke, Virginia, health officials scramble to find the origin of a deadly bacterial outbreak of pneumonia.

Health officials in Albuquerque, New Mexico face an outbreak of a rare and fatal blood disorder. Patients suffer sharp muscular pain, fatigue, fever a...

In late August of 1999, an infectious disease specialist in Queens, New York reports that she has two elderly patients with neurological disorders. Mo...

In August of 1998, Marilyn Miller is awakened by her son's frightened cries. She finds him suffering from a dangerously high fever and severe abdomina...

On the tiny resort island of Martha's Vineyard, landscaper, Patrick Ryer, suffers from chills and high fever. Patrick has contracted Tularemia, a rare...

A hospital in Walkerton, Ontario is flooded with patients with the same alarming symptoms. All suffer from fever, nausea and gastrointestinal problems...

In the summer of 2001, Debby Stoner's family begins to exhibit severe flu like symptoms. Upon visiting the family, who live in a small village on Maui...

For months, members of the McGuire family suffer from chronic illnesses, bronchitis, pneumonia and abdominal pains, fever and chills. When Amy McGuire...

During December of 1999, public health authorities in Alberta, Canada are notified of two cases of a rare form of bacterial meningitis. A third report...

In December of 1979, a young girl passes out on a bus in Wisconsin. She is taken to the hospital complaining of a sore throat, fever and aching muscle...

Canadian doctors are alarmed when a middle-aged woman dies of cryptococcal meningitis in 1999. Over the next few years, doctors see dozens of similar...

In 1993, aquatic researcher Joanne Burkholder suffers an array of troubling symptoms while working in her North Carolina State University lab. A fello...

When an unpredictable germ terrifies Texas in 1998, the CDC and health officials alert all neighboring states and territories to be on the lookout for...