Travellers wear protective masks at Hong Kong High Speed Rail Station on Jan. 29. Photo: Anthony Kwan/Getty Images

The collision of urbanization, population growth and the rapid movement of people and goods across borders is heightening global pandemic risk.

Why it matters: Aside from the tragic human cost, outbreaks such as the coronavirus, and the fear that accompanies them, are threatening to roil geopolitics and the global economy.

What's happening: A number of factors are exacerbating risk.

  • "Travel times have rapidly decreased," says Amesh Adalja, a doctor and emerging infectious disease expert at Johns Hopkins Center for Health Security. "Viruses can now spread at the speed of a jet rather than a steam-liner."
  • On top of that, growing populations and movement to cities are forming mega-metros — like Wuhan, China — where masses of people in close quarters make it easier for diseases to spread, he says.

At the same time, advancements in medicine are making us more resilient to new diseases.

  • We have more sophisticated hospital equipment, better antibiotics and antivirals.
  • China "has been fairly open in sharing genetic sequences," Tom Bollyky, director of the global health program at the Council on Foreign Relations, told reporters on a call Wednesday. "That allowed for the development for a diagnostic. And the vaccine side is underway."

"The hysteria associated with an outbreak like this probably could cause more damage than the virus itself," Yanzhong Huang, a senior fellow for global health at the Council on Foreign Relations, told reporters.

The hysteria around the outbreak could even accelerate the ongoing "decoupling" of the U.S. and China, as American companies ponder moving their factories and supply chains out of the country to hedge against the risk of the pandemic.

The bottom line: It's crucial for health officials around the world to be as transparent as possible when dealing with such an outbreak, but the coronavirus cases come as tensions between Washington and Beijing are peaking.

  • China, though quick on some information sharing, has been reluctant to share other types of crucial data about the virus, U.S. health officials say. Advisers to the CDC told CNN they're lacking basic information about who's getting infected with the disease and how it's spreading.
  • "The main thing is to maintain trust and self-reporting. ... These are the kinds of things that snuff out outbreaks," says Bollyky. "It does seem like, in the early days of this, it was not gotten right."

Be smart: While this new strain of coronavirus has killed 132 people so far, this flu season took 8,200 lives in the U.S. alone, reports Axios' Bob Herman.

Go deeper: What's happening with the coronavirus

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Delta CEO: Trump administration should issue mask mandate for air travel

Photo: Al Seib/Los Angeles Times via Getty Images

Delta CEO Ed Bastian on Friday told CNN that he believes the Trump administration should move to require the use of face masks during air travel amid a surge in coronavirus cases.

The big picture: Delta already requires passengers to wear masks during its flights, but Bastian says it can be difficult to enforce that directive if passengers refuse — and he's not sure if other airlines would be on board.

Trump's outdoor New Hampshire rally postponed due to weather

Photo: Win McNamee/Getty Images

President Trump's outdoor campaign rally in Portsmouth, N.H., slated to take place on Saturday, was postponed on Friday due to weather from Tropical Storm Fay, a senior White House official confirmed to Axios.

The state of play: Press Secretary Kayleigh McEnany told reporters on Air Force One that the event would take place in "a week or two" instead. The outdoor rally — which had encouraged the use of face masks — was scheduled after sparse attendance at Trump's indoor comeback to the campaign trail in Tulsa.

Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 1 p.m. ET: 12,333,740 — Total deaths: 556,110 — Total recoveries — 6,781,353Map.
  2. U.S.: Total confirmed cases as of 1 p.m. ET: 3,140,840 — Total deaths: 133,542 — Total recoveries: 969,111 — Total tested: 38,032,966Map.
  3. Public health: The U.S.' new default strategy: herd immunity
  4. ✈️ Travel: Delta CEO says Trump administration should issue mask mandate for air travelAirlines say air quality, cleanliness lower risk.
  5. Sports: Sen. Richard Blumenthal calls on colleges to cancel fall sports.