Safety Review Underway of AstraZeneca’s Vaccine Trial

A participant in the company’s late-stage coronavirus vaccine trial reportedly developed severe neurological symptoms. Now experts must assess whether the vaccine was responsible.


China demanded that Twitter investigate, suggesting that Liu Xiaoming’s account had been compromised. But the account has a history of unusual likes.


Your Thursday Briefing

President Trump, Moria migrants, Beirut explosion: Here’s what you need to know.


Coronavirus Briefing: What Happened Today

A vaccine front-runner hits the brakes.


Your Thursday Briefing

Stranded seafarers, refugee camp fire, Boeing: Here’s what you need to know.


George Bizos, Anti-Apartheid Lawyer Who Defended Mandela, Dies at 92

A champion of human rights, he represented his client and friend in the so-called Rivonia trial of leaders of the African National Congress in the 1960s.


How the Coronavirus Attacks the Brain

It’s not just the lungs — the pathogen may enter brain cells, causing symptoms like delirium and confusion, scientists reported.


British Prime Minister Bans Gatherings of More Than 6

Prime Minister Boris Johnson of Britain announced new coronavirus restrictions, banning gatherings larger than six people, referring to it as the “Rule of Six.”


The Virus Moves Off Campus

And what else you need to know today.


Fire Destroys Most of Europe’s Largest Refugee Camp on Greek Island of Lesbos

Campaigners have long warned that the overcrowded conditions at the impoverished camp might lead to catastrophe.