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Sunday, April 5, 2020

430,000 People Have Traveled From China to U.S. Since Coronavirus Surfaced

Since Chinese officials disclosed the outbreak of a mysterious pneumonialike illness to international health officials on New Year’s Eve, at least 430,000 people have arrived in the United States on direct flights from China, including nearly 40,000 in the two months after President Trump imposed restrictions on such travel, according to an analysis of data collected in both countries.

The bulk of the passengers, who were of multiple nationalities, arrived in January, at airports in Los Angeles, San Francisco, New York, Chicago, Seattle, Newark and Detroit. Thousands of them flew directly from Wuhan, the center of the coronavirus outbreak, as American public health officials were only beginning to assess the risks to the United States.


Flights continued this past week, the data show, with passengers traveling from Beijing to Los Angeles, San Francisco and New York, under rules that exempt Americans and some others from the clampdown that took effect on Feb. 2. In all, 279 flights from China have arrived in the United States since then, and screening procedures have been uneven, interviews show.
Mr. Trump has repeatedly suggested that his travel measures impeded the virus’s spread in the United States. “I do think we were very early, but I also think that we were very smart, because we stopped China,” he said at a briefing on Tuesday, adding, “That was probably the biggest decision we made so far.” Last month, he said, “We’re the ones that kept China out of here.”
But the analysis of the flight and other data by The New York Times shows the travel measures, however effective, may have come too late to have “kept China out,” particularly in light of recent statements from health officials that as many as 25 percent of people infected with the virus may never show symptoms. Many infectious-disease experts suspect that the virus had been spreading undetected for weeks after the first American case was confirmed, in Washington State, on Jan. 20, and that it had continued to be introduced. In fact, no one knows when the virus first arrived in the United States.
During the first half of January, when Chinese officials were underplaying the severity of the outbreak, no travelers from China were screened for potential exposure to the virus. Health screening began in mid-January, but only for a number of travelers who had been in Wuhan and only at the airports in Los Angeles, San Francisco and New York. By that time, about 4,000 people had already entered the United States directly from Wuhan, according to VariFlight, an aviation data company based in China. The measures were expanded to all passengers from China two weeks later.
In a statement on Friday, Hogan Gidley, a White House spokesman, described Mr. Trump’s travel restrictions as a “bold decisive action which medical professionals say will prove to have saved countless lives.” The policy took effect, he said, at a time when the global health community did not yet “know the level of transmission or asymptomatic spread.”
Trump administration officials have also said they received significant pushback about imposing the restrictions even when they did. At the time, the World Health Organization was not recommending travel restrictions, Chinese officials rebuffed them and some scientists questioned whether curtailing travel would do any good. Some Democrats in Congress said they could lead to discrimination.
In interviews, multiple travelers who arrived after the screening was expanded said they received only passing scrutiny, with minimal follow-up.
“I was surprised at how lax the whole process was,” said Andrew Wu, 31, who landed at Los Angeles International Airport on a flight from Beijing on March 10. “The guy I spoke to read down a list of questions, and he didn’t seem interested in checking out anything.”
Sabrina Fitch, 23, flew from China to Kennedy International Airport in New York on March 23. She and the 40 or so other passengers had their temperature taken twice while en route and were required to fill out forms about their travels and health, she said.
“Besides looking at our passports, they didn’t question us like we normally are questioned,” said Ms. Fitch, who had been teaching English in China. “So it was kind of weird, because everyone expected the opposite, where you get a lot of questions. But once we filled out the little health form, no one really cared.”
In January, before the broad screening was in place, there were over 1,300 direct passenger flights from China to the United States, according to VariFlight and two American firms, MyRadar and FlightAware. About 381,000 travelers flew directly from China to the United States that month, about a quarter of whom were American, according to data from the Department of Commerce’s International Trade Administration.
In addition, untold others arrived from China on itineraries that first stopped in another country. While actual passenger counts for indirect fliers were not available, Sofia Boza-Holman, a spokeswoman for the Department of Homeland Security, said they represented about a quarter of travelers from China. The restrictions, she added, reduced all passengers from the country by about 99 percent.
Mr. Trump issued his first travel restrictions related to the virus on Jan. 31, one day after the World Health Organization declared the outbreak a global health emergency. In a presidential proclamation, he barred foreign nationals from entering the country if they had been in China during the prior two weeks. The order exempted American citizens, green-card holders and their noncitizen relatives — exceptions roundly recognized as necessary to allow residents to return home and prevent families from being separated. It did not apply to flights from Hong Kong and Macau.
About 60 percent of travelers on direct flights from China in February were not American citizens, according to the most recently available government data. Most of the flights were operated by Chinese airlines after American carriers halted theirs.
At a news conference about the restrictions, Alex M. Azar II, the health secretary, repeatedly emphasized that “the risk is low” for Americans. He added, “Our job is to work to keep that that way.”
Health officials also announced an expansion of the screening beyond arrivals from Wuhan. Dr. Robert R. Redfield, director of the Centers for Disease Control and Prevention, explained that people would be screened for “significant risk, as well as any evidence of symptoms.” If there was no reason for additional examination, “they would be allowed to complete their travel back to their home, where they then will be monitored by the local health departments in a self-monitoring situation in their home.”
The procedures called for screening to be conducted in empty sections of the airports, usually past customs areas. Passengers would line up and spend a minute or two having their temperature taken and being asked about their health and travel history. Those with a fever or self-reported symptoms like a cough would get a medical evaluation, and if they were thought to have been infected or exposed to the virus, they would be sent to a hospital where local health officials would take over.
Passengers would also be given information cards about the virus and symptoms. Later versions advised people to stay at home for two weeks.
In a statement on Thursday, the C.D.C. described the entry screening as “part of a layered approach” that could “slow and reduce the spread of disease” when used with other public health measures.
“We cannot stop all introductions,” the C.D.C. added, noting that the coronavirus pandemic was “especially challenging due to asymptomatic and presymptomatic infections and an incubation period of up to two weeks.”
Separately, on Friday, the Department of Homeland Security said in a statement that the administration’s measures were “unprecedented” and allowed “the U.S. to stay ahead of the outbreak as it developed.”
In January, before the broad screening was in place, there were over 1,300 direct passenger flights from China to the United States, according to VariFlight and two American firms, MyRadar and FlightAware. About 381,000 travelers flew directly from China to the United States that month, about a quarter of whom were American, according to data from the Department of Commerce’s International Trade Administration.
In addition, untold others arrived from China on itineraries that first stopped in another country. While actual passenger counts for indirect fliers were not available, Sofia Boza-Holman, a spokeswoman for the Department of Homeland Security, said they represented about a quarter of travelers from China. The restrictions, she added, reduced all passengers from the country by about 99 percent.
Mr. Trump issued his first travel restrictions related to the virus on Jan. 31, one day after the World Health Organization declared the outbreak a global health emergency. In a presidential proclamation, he barred foreign nationals from entering the country if they had been in China during the prior two weeks. The order exempted American citizens, green-card holders and their noncitizen relatives — exceptions roundly recognized as necessary to allow residents to return home and prevent families from being separated. It did not apply to flights from Hong Kong and Macau.
About 60 percent of travelers on direct flights from China in February were not American citizens, according to the most recently available government data. Most of the flights were operated by Chinese airlines after American carriers halted theirs.
At a news conference about the restrictions, Alex M. Azar II, the health secretary, repeatedly emphasized that “the risk is low” for Americans. He added, “Our job is to work to keep that that way.”
Health officials also announced an expansion of the screening beyond arrivals from Wuhan. Dr. Robert R. Redfield, director of the Centers for Disease Control and Prevention, explained that people would be screened for “significant risk, as well as any evidence of symptoms.” If there was no reason for additional examination, “they would be allowed to complete their travel back to their home, where they then will be monitored by the local health departments in a self-monitoring situation in their home.”
The procedures called for screening to be conducted in empty sections of the airports, usually past customs areas. Passengers would line up and spend a minute or two having their temperature taken and being asked about their health and travel history. Those with a fever or self-reported symptoms like a cough would get a medical evaluation, and if they were thought to have been infected or exposed to the virus, they would be sent to a hospital where local health officials would take over.
Passengers would also be given information cards about the virus and symptoms. Later versions advised people to stay at home for two weeks.
In a statement on Thursday, the C.D.C. described the entry screening as “part of a layered approach” that could “slow and reduce the spread of disease” when used with other public health measures.
“We cannot stop all introductions,” the C.D.C. added, noting that the coronavirus pandemic was “especially challenging due to asymptomatic and presymptomatic infections and an incubation period of up to two weeks.”
Separately, on Friday, the Department of Homeland Security said in a statement that the administration’s measures were “unprecedented” and allowed “the U.S. to stay ahead of the outbreak as it developed.”



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