McCarran International Airport in Las Vegas in June. Photo: Bill Clark/CQ-Roll Call, Inc via Getty Images

The State Department lifted its international travel advisory on Thursday, roughly four months after warning Americans not to fly abroad due to the coronavirus pandemic.

The big picture: American travelers are still barred from traveling to numerous countries, including European Union member states, because the U.S. has yet to control the spread of the virus.

Despite those restrictions to American travel abroad, U.S. airline stocks reacted favorably to the lift, Bloomberg reports.

  • The S&P Supercomposite Airlines Industry Index rose as much as 3%, with the biggest gainers including American Airlines, Hawaiian Airlines, Delta Air Lines, Alaska Air and Allegiant.

What they're saying: "With health and safety conditions improving in some countries and potentially deteriorating in others, the Department is returning to our previous system of country-specific levels of travel advice ... in order to give travelers detailed and actionable information to make informed travel decisions," the agency said in a statement.

  • "We continue to recommend U.S. citizens exercise caution when traveling abroad due to the unpredictable nature of the pandemic."

Go deeper: Virgin Atlantic declares bankruptcy

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Oct 17, 2020 - Health

Kamala Harris to campaign in Florida on Monday

Photo: Robyn Beck/AFP via Getty Image

Sen. Kamala Harris (D-Calif.) took a COVID-19 test on Saturday and the virus was not detected, according to a campaign aide.

Driving the news: The Democratic vice presidential nominee paused her campaign travel through Sunday after her communications director tested positive for the coronavirus.

Bryan Walsh, author of Future
1 hour ago - Science

The murder hornets are here

A braver man than me holds a speciment of the Asian giant hornet. Photo: Karen Ducey/Getty Images

Entomologists in Washington state on Thursday discovered the first Asian giant hornet nest in the U.S.

Why it matters: You may know this insect species by its nom de guerre: "the murder hornet." While the threat they pose to humans has been overstated, the invading hornets could decimate local honeybee populations if they establish themselves.