Editorial Board

What It Takes to Prevent HIV

An underused drug is a reminder that improving health care takes more than just laws.

What if creating the drug was the easy part?

Photographer: Justin Sullivan/Getty Images

Years of debate over Obamacare have left too many people with the impression that health-care problems can usually be solved by changing federal government policy. The mystifying story of an effective but too-little-used drug to prevent HIV infection is a reminder that's not always the case.

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