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Betsy McCaughey
Liberty Belle
22 Oct 2014
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The Science on Isolating Health Care Workers


On Monday, Centers for Disease Control and Prevention head Thomas Frieden announced a new policy on health care workers returning from Ebola-plagued West Africa. Parroting President Obama's Saturday radio address, Frieden cautioned that Americans must be "guided by the science," not fear.

Sorry. The Obama administration's halfway approach is based on political correctness, not science. And it is a gamble.

According to Frieden, about five health care workers fly back from West Africa to the U.S. every day, landing at Chicago, Newark, Atlanta, New York's JFK or Dulles outside of Washington, D.C. For months, the CDC did almost nothing to prevent a returning doctor or nurse from inadvertently spreading the disease here.

On Thursday, Dr. Craig Spencer, who returned from a stint with Doctors Without Borders in Guinea on October 17, was rushed into isolation at New York City's Bellevue Hospital with Ebola. Before his diagnosis, Spencer took subways, went bowling and dined out. Authorities scrambled to identify his contacts.

Gov. Chris Christie of New Jersey, a Republican, and Gov. Andrew Cuomo of New York, a Democrat, jointly announced on Sunday that health care workers landing at area airports after treating Ebola patients would have to undergo 21 days of isolation. Governors of Florida and Illinois announced they would be devising policies, as well.

By Monday, Frieden had to respond to the spectacle of governors concocting isolation policies on the run to prevent the possibility, however small, of Ebola being spread. Unfortunately, Frieden stopped short of endorsing isolation. Instead, he announced that local officials would monitor doctors and nurses coming from West Africa for fever or other symptoms but not necessarily isolate them.

Frieden said isolating the brave doctors and nurses would be a "stigma" and make them "pariahs." That's a shockingly unscientific attitude toward quarantine from a trained epidemiologist.

Here's the science:

About one in seven people infected with Ebola doesn't have a fever before diagnosis. Airport screening relies largely on temperature taking.

Data on more than 4,000 Ebola cases published October 16 in the New England Journal of Medicine — the most complete analysis ever — show that 13 percent of patients don't develop fever early on.

Doctors and nurses can't be depended on to spot Ebola in themselves faster than other people. Relying on returning doctors and nurses to monitor themselves assumes they will catch any sign of illness quickly and avoid spreading it. But the New England Journal of Medicine research found doctors and nurses with Ebola don't get to the hospital sooner.

Health care workers who treat Ebola patients are at significant risk of getting it, despite wearing protective gear. As of October 25, the World Health Organization reports that 450 health care workers have contracted Ebola, and 244 have died. One staffer at Doctors Without Borders in Guinea who worked with Spencer called him a "rigorous man" who carefully followed procedures in removing his protective gear and decontaminating it, and added, "We understand that we are also at risk despite the measures."

The most important fact about Ebola is how little we know. There's no cure for the infected, no vaccine and no knowledge of how the virus might behave in colder temperatures. Doctors, nurses and missionaries who nobly volunteer in Africa could inadvertently bring Ebola to every continent, literally giving the virus wings.

To be cautious, Samaritan's Purse, a relief organization, has imposed a 21-day isolation on workers returning from West Africa ever since one of its own, Dr. Kent Brantly, became infected. The hospital where Spencer practices emergency medicine requires a 21-day wait to return to work.

On Monday, the Joint Chiefs of Staff recommended that all U.S. troops returning from West Africa undergo a 21-day quarantine. Their biggest worry isn't stigma.

The White House is mum on soldiers, but it's busy arm-twisting governors to back off from isolating health care workers. On Monday, Cuomo backed down from mandatory isolation, despite overwhelming popular support for it.

One positive note: Frieden changed his tune on Monday, saying, "Managing Ebola is not easy." He and Obama need to replace hubris with humility and take fewer gambles with Ebola.

Betsy McCaughey Ph.D. is chairman of the Committee to Reduce Infection Deaths and a senior fellow at the London Center for Policy Research. To find out more about Betsy McCaughey and read features by other Creators Syndicate writers and cartoonists, visit the Creators Syndicate website at



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