Health Care

Pfizer reported first-quarter revenue that blew past analysts' average estimate, boosted by sales of its new treatments for cancer and its Hospira acquisition.

Puerto Rico has 683 confirmed cases of the Zika virus, including 65 pregnant women with symptoms of the virus and one death, U.S. health officials said on Friday.

Quest Diagnostics said it has received emergency authorization from the U.S. Food and Drug Administration to sell the first commercially developed diagnostic test for Zika in the United States, a step that may help expand testing capacity and speed diagnosis of the virus.

U.S. House of Representatives Speaker Paul Ryan called on Wednesday for an end to ObamaCare's financial protections for people with serious medical conditions, saying these consumers should be placed in state high-risk pools.

Following is a list of three stocks that ultra-rich investors have taken a position in, and some thoughts on whether you might want to follow their move.

Drugmaker AbbVie said it would buy privately held oncology company Stemcentrx in a deal valued at $5.8 billion in cash and stock.

Abbott Laboratories said it agreed to buy medical device maker St. Jude Medical for $25 billion to add heft to its heart and neurological devices business.

Aetna, which is in the process of buying rival Humana, reported first-quarter operating earnings that topped analysts' estimates as the health insurer added more members to its government plans.

French drugmaker Sanofi went public with a $9.3 billion offer to buy Medivation on Thursday, setting up what could be a lengthy takeover fight after the U.S. cancer firm rebuffed its approaches.

Jessica Alba’s Honest Co. is hit with a new lawsuit claiming the company’s ‘organic’ baby food contains hazardous and synthetic ingredients.

Valeant Pharmaceuticals International named Joseph Papa as its chief executive officer on Monday, the day after he resigned from the top spot at drugmaker Perrigo.

Drugmaker Perrigo has decided to let Chief Executive Officer Joseph Papa join Valeant Pharmaceuticals International as CEO and replace him with President John Hendrickson, according to people familiar with the matter.

Drugmaker Valeant Pharmaceuticals International is seeking to appoint Perrigo boss Joseph Papa as its new chief executive, a source familiar with the matter said.

Valeant's intrinsic value has collapsed, but what's it worth today? Image source: PRI's Studio 360, republished under CC BY 2.0 .

Is Obamacare in a death spiral? Not so fast.