After Congress left cities to fend for themselves, four new cases -- possibly the first to be contracted by mosquitoes in the U.S. -- suggest how difficult it is for them to combat the virus on their own.
In an effort to survive, several of the remaining health co-ops are fighting the landmark law. Unlike most legal challenges to it, they may actually have a case.
The worrisome state of rural health care has led many to wonder.
Baltimore is at the forefront of a movement to expand public health's arena to include social ills such as gun violence and drug addiction.