Wild birds passed the virus to seals in New England at least twice last summer, a new study suggests.
Tag: North America
Global Declines in Maternal Mortality Have Stalled
Death rates in the United States have increased in recent years, as they have in Europe, the W.H.O. reported.
China Says U.S. Balloons Entered Its Airspace Over 10 Times Since 2022
The claim followed a weekend of aerial theatrics, with Washington and Beijing spotting unidentified flying objects in their airspaces.
The Only H.I.V. Vaccine in Advanced Trials Has Failed. What Now?
Janssen Pharmaceuticals ended a global trial after independent experts determined the vaccine was not effective. But there are other possibilities in the pipeline, scientists said.
Monarch Butterflies Are Placed on IUCN Red List
Researchers cited climate change and habitat loss. But they also said the public can help give the insects a boost.
Heat Waves Around the World Push People and Nations ‘to the Edge’
Large, simultaneous heat waves are growing more common. China, America, Europe and India have all been stricken recently, and scientists are starting to understand why certain far-flung places get hit at once.
Is the Coronavirus in Your Backyard?
White-tailed deer could become a reservoir for the virus, putting people and animals at risk, health experts say.
Haiti Missionaries Describe Dramatic Escape From Kidnappers
The group of 12, including several children, walked 10 miles through the night. Later that day, the missionaries were on a Coast Guard flight to Florida.
Will the Covid Vaccines Stop Omicron? Scientists Are Racing to Find Out.
A “Frankenstein mix” of mutations raises concerns, but the variant may remain vulnerable to current vaccines. If not, revisions will be necessary.
At Summit, U.S., Canada and Mexico Avoid Thorny Questions
The meeting let North American leaders present a united front without going into detail on deeper issues, including trade disputes or migration.