U.S. House Majority Leader Rep. Eric Cantor (center) and colleagues gather before a Sunday vote on Capitol Hill. The House passed two new provisions to a federal spending bill to delay Obamacare for a year and to repeal the medical device tax.
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A student gets vaccinated against pertussis at a Los Angeles middle school in 2012. The state required that students be immunized to halt an epidemic of whooping cough.
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The audience concentrates on a presentation by Kansas Insurance Commissioner Sandy Praeger's office about the federal health care overhaul at the University of Kansas satellite campus in Overland Park, Kan., earlier this month.
University of Maryland's Jaydev Desai shows off a prototype of a robot that he and colleagues are developing to minimize harm to patients during brain surgery.
John T. Consoli/University of Maryland