A previously unknown form of botulinum toxin thought to be resistant to standard treatment raised public health concerns. Subsequent research has allayed those fears.
Dr. Thomas Frieden visits West Africa this week to assess the fight against Ebola. His goal? Figure out how to keep the disease from turning into a permanent problem.
The main flu strain circulating now tends to send more people to the hospital than other strains. It also causes more deaths, especially among the elderly, children and people with health issues.
The Centers for Disease Control and Prevention says only a third of Americans infected with HIV have the virus under control. Most have been diagnosed, though that's less common among the young.
The same Atlanta hospital that treated the first U.S. Ebola patient in August discharged its fourth patient Tuesday. All survived. Patients in isolation need extra emotional support, the team says.
The new protocol announced by Dr. Tom Frieden on Monday stops short of the mandatory 21-day quarantines imposed by some states. Instead, it relies on individual assessment and close monitoring.
Kaci Hickox says she doesn't have a fever; a preliminary blood test came back negative for Ebola. She reportedly hired a civil rights attorney to work for her release Sunday.
It was initially implied that nurses made many of the errors in the handling of Ebola patient Thomas Eric Duncan. Further scrutiny shows they were not at fault.