Just three months before its planned split into two companies, Abbott Laboratories is suffering a significant setback after a Phase III trial for a chronic kidney disease treatment was ended due to an excessive number of deaths and serious adverse events in patients.

FORBES: For Abbott, Setbacks Happen In Threes; Now, A Kidney Drug Trial Ends Over Deaths

Hepatitis B is a similar liver disease that can range from a mild illness to a serious, chronic condition.

CNN: Dozens of Okla. dentist's patients positive for hepatitis