Once again, an American medical worker making a temporary stay at L.A. County’s West County hospital was on the other end of a jetliner when it landed, leaving behind husbands and wives and parents and children.

With only one confirmed coronavirus death in the United States in recent history, these travelers are trying to take a chance that there won’t be a cascade of more visitors with the deadly virus.

After treating 50 people who have been infected in Dubai, West Los Angeles was used by two Seattle-based organizations to transport scores of foreigners with complaints of fever and other problems who were being treated in the United Arab Emirates.

Among them was an American pediatrician who treated more than 40 sick children, and his wife, who had been at the hospital for treating more than 10 others. Both returned to Seattle.

The two others transferred to West County on Wednesday were foreign nannies traveling from Switzerland, said C. Robert Duff, an infectious disease specialist and professor of medicine at the University of California, Irvine.

On Tuesday, an American nurse who specializes in neonatology returned to Seattle and later Wednesday returned to L.A. with her parents, Duff said.

The airline turned people away from the United Arab Emirates because it needed enough pilots. But it decided to fly the passengers to West County because those who had trouble getting into the UAE were among the ones who had ailments that would seem more likely to require a flight, said LA County public health officials.

People were being quarantined in Vancouver, Wash., when they arrived in Seattle, so the physicians had to drive the families there. Duff and his colleagues took them to hotels and provided flu shots.

Still, those of the older, sicker patients “are having a lot of problems as they transition to their home country,” Duff said.

Although the contract numbers vary, coronavirus is thought to be related to the 2006 SARS outbreak in Asia. It’s been linked to nearly 400 cases of severe acute respiratory syndrome, a rare but lethal virus. Those diagnosed with coronavirus have become ill from severe respiratory illnesses in the United Arab Emirates and Saudi Arabia.

The pathogen has mainly spread through aircraft. In May 2013, about 40 health workers who had returned from treating patients in Pakistan for the SARS outbreak were flown to the Netherlands to be quarantined.

Most of the countries where coronavirus has been identified have instituted travel bans for those returning with the illness. The Emirates was among the most extreme, keeping those who had treated people with virus from returning to the country.

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