"It is with deep sorrow that Her Majesty The Queen has announced the death of her beloved husband, His Royal Highness The Prince Philip, Duke of Edinburgh," The Royal Family said on Twitter.

While the benefits of the vaccine still outweigh the risks, that assessment is “more finely balanced" among younger people who are less likely to become seriously ill with COVID-19

The two vaccines available since December — Pfizer and Moderna — were 90% effective after two doses, the Centers for Disease Control and Prevention reported Monday. In testing, the vaccines were about 95% effective in preventing COVID-19.

In Norway, a top official warned on Monday it might not be able to resume its use of the vaccine because so many people were rejecting it.

It is not clear, however, whether any of the passports under development will be accepted broadly around the world, and the result could be confusion among travellers and disappointment for the travel industry.

As details emerge, many members of the Asian American community see the Georgia killings as a haunting reminder of harassment and assaults that have been occurring from coast to coast.