Although Canada is having its third wave, talk has resumed in the United States about what it will take to reopen the border between the two.

An early author for Lonely Planet, he tempted a generation of adventurers on journeys to exotic locales full of surprises.

An explosion in the capital, Malé, on Thursday night left the former President Mohamed Nasheed in critical condition. Police said the attack was an assassination attempt.

She immersed herself in New York’s creative underground, then shifted to globetrotting activism for decades as the founder of Tribal Link.

Prime Minister Yoshihide Suga of Japan announced on Friday that it was extending the state of emergency in Tokyo and other cities until the end of May to contain the increase of coronavirus cases.

The World Health Organization’s authorization of the vaccine for emergency use on Friday allows it to be included in Covax, W.H.O’s global initiative to increase vaccine access in low- and middle-income countries.

Dr. Nancy Messonnier’s departure may signal more changes at the C.D.C. division she led.

Britain’s vaccine regulator advised that all adults under 40 should be offered an alternative Covid-19 vaccine, due to concerns over very rare blood clots that were possibly linked to the usage of AstraZeneca’s vaccine. There is also an availability of alternatives.

The vaccine has been used under an emergency authorization since December. A decision by the Food and Drug Administration could take months.