Ebola experts agree that we don't know enough about the virus to guarantee that it only spreads via close contact with bodily fluids and that asymptomatic carriers are non-infectious.

Dr. Philip K. Russell, a virologist who oversaw Ebola research while heading the U.S. Army's Medical Research and Development Command, and who later led the government's massive stockpiling of smallpox vaccine after the Sept. 11 terrorist attacks, also said much was still to be learned. "Being dogmatic is, I think, ill-advised, because there are too many unknowns here." ...

"I see the reasons to dampen down public fears," Russell said. "But scientifically, we're in the middle of the first experiment of multiple, serial passages of Ebola virus in man.... God knows what this virus is going to look like. I don't." ...

Skinner of the CDC, who cited the Peters-led study as the most extensive of Ebola's transmissibility, said that while the evidence "is really overwhelming" that people are most at risk when they touch either those who are sick or such a person's vomit, blood or diarrhea, "we can never say never" about spread through close-range coughing or sneezing.

In my opinion, we need to be much more aggressive in isolating exposed people. We obviously need to care for them as well as we can, but we can't let our compassion put the whole population at risk. Near the apartment complexes where the Dallas patient lived government officials are worrying more about "civil rights" than about containing the epidemic.

Vickery Meadow, a crush of low-income apartment complexes just a short drive from some of Dallas's toniest neighborhoods, appeared calm on Tuesday. Women in traditional Muslim head coverings, mothers carrying children and workers headed to the bus stop walked along the road next to The Ivy apartments, where Duncan had stayed.

But some tensions have surfaced.

Dallas City Councilwoman Jennifer Staubach Gates said three residents of Vickery Meadow reported that their employers sent them away from work out of fear that they could be carrying the virus. Gates said Tuesday that she had contacted a lawyer to help those men.

The city has also enlisted doctors to explain Ebola to neighborhood residents and assure them that they are safe, Gates said. Vickery Meadow is home to thousands of immigrants from Afghanistan to Mexico, many of whom don't speak English.

But are they safe? That's not clear at all. I think our leaders and citizens should be a little less starry-eyed and a little more paranoid.

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