The Upshot

A Formula to Find the Uninsured Around the Country

By MARGOT SANGER-KATZ and KEVIN QUEALY

Enroll America began with a huge phone survey of 12,000 adults and added neighborhood data.

In Liberia, a Good or Very Bad Sign: Empty Hospital Beds

By SHERI FINK

Liberia has far fewer people being treated for Ebola than anticipated, but health officials are hesitant to declare victory.

The Upshot

Choosing a Health Plan Is Hard, Even for a Health Economist

By AUSTIN FRAKT

The federal employees’ insurance program works much like an Affordable Care Act exchange. It’s complicated.

The Upshot

AIDS Activists Oppose Cuomo on Ebola Quarantines

By JOSH BARRO

Gov. Andrew Cuomo has been hailed as a leader on H.I.V. prevention, but many of his allies on that issue are upset about his handling of Ebola.

Merck Sales Down 4%; Profit Beats Forecasts

By KATIE THOMAS

The pharmaceutical company’s earnings beat expectations, however, helped by sales of the diabetes drug Januvia and revenue in emerging markets.

U.S. Moves to End Patchwork of Policies on Returning Ebola Workers

By MICHAEL D. SHEAR and SABRINA TAVERNISE

The federal government announced the new ground rules in an effort to apply uniformity for travelers entering the United States from nations with Ebola outbreaks.

Wikipedia Emerges as Trusted Internet Source for Ebola Information

By NOAM COHEN

The encyclopedia’s main Ebola article has had 17 million page views in the last month, rivaling pages from the World Health Organization and the Centers for Disease Control and Prevention.

Insurers’ Consumer Data Isn’t Ready for Enrollees

By ROBERT PEAR

Open enrollment for health care begins on Nov. 15, but insurance companies will not yet have to provide consumers with key data required under the Affordable Care Act.