Omicron Variant, in 20 Nations, Spread Earlier Than Was Known
The heavily mutated new coronavirus variant was in Europe several days earlier…
How 2 Flights to Europe May Have Spurred Spread of New Variant
After the emergence of the Omicron variant in Africa last week, the…
Amid Variant Fears, U.K. Discovers Limits to Its Virus Strategy
LONDON — At almost every step of the pandemic, Britain has been…
New ‘Omicron’ Variant Stokes Concern but Vaccines May Still Work
Scientific experts at the World Health Organization warned on Friday that a…
World Omicron Fight Hindered by Fragmented Response
ROME — In a wrenchingly familiar cycle of tracking first cases, pointing…
As Omicron Variant Circles the Globe, African Nations Face Blame and Bans
Nations in southern Africa protested bitterly on Saturday as more of the…
Booster Rollout for Nursing Homes Is Sluggish
A Connecticut nursing home had planned to roll out Covid booster shots…
Omicron Variant Prompts Travel Bans and Batters World Markets
The world reacted with alarm on Friday to the highly mutated new…
Variant Detected in South Africa Prompts Travel Restrictions
A number of countries — including Britain, Israel, Italy and Singapore —…