Americans should avoid travel to Canada due to "very high" levels of COVID-19 cases in that country, the U.S. Centers for Disease Control and Prevention said Monday.

The agency placed Canada under a Level 4 travel health notice, which is the highest category and includes other countries such as France, Germany, Britain, Spain and South Africa.

"Because of the current situation ...

The Omicron variant continued to keep flights grounded on Monday as airlines canceled at least 2,400 more flights around the world, including 900 in the United States.

Several airlines acknowledged that COVID-19 was contributing significantly to the cancellations, not just the usual bad weather and maintenance issues, the New York Times reported.

A JetBlue spokesma...

Taking to the skies for a long-awaited holiday?

Choose your seat on the plane wisely and don't overlook familiar steps like keeping your mask on to reduce your odds for getting COVID-19 or another contagious disease, experts suggest.

"Spacing is an obvious challenge on airplanes, especially when the planes are filled at or near capacity over the holiday season. So anything that can...

Starting Dec. 31, the United States will lift travel restrictions from eight countries in southern Africa.

The restrictions were first announced in late November in response to concerns about Omicron, the new highly contagious variant of COVID-19. Omicron was spotted first in southern Afr...

Lockdowns keep people home for a few weeks, but they lose their luster after a few months, claims a new study that comes as many countries consider a return to lockdowns to slow the renewed spread of COVID-19.

The findings could be used by policymakers when deciding whether to impose lockdowns, the research...

At least 48 passengers and crew members on Royal Caribbean's Symphony of the Seas -- the world's largest cruise ship -- have tested positive for COVID-19 and have been quarantined, the company said Monday.

Of the 48 people who tested positive during the sailing, 98% were fully vaccinated. That's not surprising, since the overall vaccination rate among the nearly 6,100 passengers and crew ...

People who've already had COVID-19 have a higher risk of reinfection with the Omicron coronavirus variant than with earlier variants, new research shows.

The South African scientists who reported the findings believe that vaccination will have the power to stop severe illness, however.

Speaking at a World Health Organization briefing, study team member Anne von Gottberg, of the Un...

As the world struggles with ways to stem the spread of the new Omicron variant, the U.S. Centers of Disease Control and Prevention announced Tuesday that international travelers to the United States will soon have to provide a negative result from a coronavirus test taken within 24 hours of departure.

That's a much tighter turnaround: Current rules allow fully vaccinated people to take a ...

Nearly 1 in 3 older Americans plan an extended trip next year, and 1 in 4 plan to travel for the holidays, but many will take COVID-19 into account, a new survey shows.

If COVID cases surge at their destination, 20% said they would definitely change their plans, and another 52% said they might do so.

"These poll findings are consistent with previous AARP research which shows that op...

For the first time in more than18 months, fully vaccinated travelers from dozens of other countries can enter the United States on Monday.

Visitors will need to show proof of vaccination and a negative coronavirus test taken within three calendar days of travel. Unvaccinated Americans and children under the age of 18 are exempt from the requirement, but must take a test within one day of ...

The Biden administration on Monday released the specifics of its plan to allow the return of foreign travelers to the United States.

While adult visitors will have to be fully vaccinated against COVID-19 and will need to be tested for the virus before boarding a plane to the United States, visitors younger than 18 will not have to be fully vaccinated, but will still need to take a COVID-1...

All international travelers who are fully vaccinated against the coronavirus will be able to enter the United States beginning Nov. 8, an official at the White House told The New York Times.

The announcement came on the heels of news on Wednesday that the United States would reopen its land borders to fully vaccinated travelers from Canada and Mexico for the first time ...

Beginning in November, the United States will reopen its borders to fully vaccinated travelers from Canada and Mexico for the first time since pandemic closures began 19 months ago, the Biden administration will announce Wednesday.

The move comes just weeks after U.S. officials said they would soon lift a similar ban on foreigners traveling to America from overseas.

Tuesday's action...

Hoverboards, electric scooters and electric bikes are the transportation of choice for a growing number of Americans, but they're taking many straight to the emergency room.

Injuries associated with these so-called "micromobility products" skyrocketed 70% between 2017 and 2020, according to a soon-to-be-released report from the U.S. Consumer Product Safety Commission (CPSC).

That in...

Starting in November, the United States plans to lift travel restrictions on people coming from overseas who are fully vaccinated against COVID-19.

This move by the Biden administration will open the United States to relatives separated from families as well as business travelers. The restrictions, involving many European countries, China, Iran and Brazil, have been in place since March ...

It's more than just an annoyance: Long-term exposure to traffic and train noise may increase the risk of dementia and Alzheimer's disease, Danish researchers report.

The study authors said that more than 1,200 of Denmark's nearly 8,500 cases of dementia in 2017 may have resulted from exposure to noise, which means that reducing traffic noise might help prevent the thinking, memory and beh...

Boat traffic picks up on Labor Day weekend, and the Safe Boating Campaign offers some safety reminders for those leaving shore.

"No matter your age, wear a life jacket from the moment you reach the dock and while you're out on the water," Yvonne Pentz, communications director of the National Safe Boating Council, said in a council news release. The council leads the Safe Boating Campaign....

Unvaccinated Americans should stay home during the holiday weekend as COVID-19 cases surge due to the highly contagious Delta variant, the head of the U.S. Centers for Disease Control and Prevention said Tuesday.

"First and foremost, if you are unvaccinated, we would recommend not traveling," CDC Director Dr. Rochelle Walensky said during a White House COVID-19 Response Team briefing,

As coronavirus cases spike in the United States due to the highly contagious Delta variant, a new poll finds Americans' anxiety about COVID-19 at its highest since January.

"I wouldn't have said this a couple of years ago, but I'm not as confident as I was in America's ability to take care of itself," David Bowers, 42, a Peoria, Ariz., Democrat told the Associated Press, adding: ...

A coronavirus outbreak on a Carnival Cruise Line ship that sailed from Galveston, Texas, to Belize is one of the largest reported on a vessel sailing from the United States since cruises relaunched this summer.

The 27 cases on the Carnival Vista reported by the