International Business

The U.S. will require passengers flying from the U.K. to show proof of a negative test for coronavirus, amid rising concerns over a more-contagious COVID-19 strain that is spreading after first emerging in England.

Travelers arriving from the U.K. need to get a negative polymerase chain reaction or antigen test no more than 72 hours before leaving, according to a statement from the Centers for Disease Control and Prevention. The CDC said the order will be signed by President Donald Trump on Friday and come into effect Dec. 28.

Regions from Hong Kong to Canada have temporarily suspended travel from the U.K. as the new coronavirus variant alarmed scientists and governments around the world. Early analysis suggests it may be as much as 70% more transmissible than other circulating strains.

Passengers from the U.K. must provide written documentation of their test to their airline, according to the CDC statement. Carriers … Read the rest

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Success for the huge COVID-19 U.S. vaccination program now underway hinges on people getting two doses, separated by three to four weeks. But a recent study suggests that many people may fail to get their second injection, which is necessary to build maximum immunity.

The research, published Dec. 14, focused on a vaccine to prevent the viral skin condition known as shingles. It found that one in four Medicare patients missed getting their second dose within six months of their initial one.

Recipients of the two COVID-19 vaccines currently approved for use may be more likely to complete their immunizations than those in the study, for reasons including greater perceived health risk if they don’t. But the authors of the new study caution that many of the … Read the rest

LinkedIn faced an unprecedented challenge this year as users increased the number of posts they made by 50%, representing a record rise in content on the service. But the influx also led to more problematic posts, prompting LinkedIn to tighten its rules and expand its content moderation team.

But as events like the coronavirus pandemic, Black Lives Matter protests, and the 2020 U.S. presidential election led to increasing tensions both online and off, more posts on LinkedIn strayed from professional conversations to conspiracy theories, misinformation, and hate speech.

“We really needed to standardize and make clear what it meant to be constructive and respectful on LinkedIn,” said Liz Li, LinkedIn’s director of product management. 

This year, LinkedIn made a slew of policy changes, including prohibiting coronavirus-related misinformation in spring (the policy also extends to misleading information about the coronavirus vaccine). Following a rise in posts related to QAnon, a conspiracy … Read the rest