This comes immediately prior to the first high-level meeting between U.S. and Chinese officials.
Getting international travel and commerce back on track may hinge on vaccine acceptance.
Hong Kong activists want Europe's parliament to vote down a trade deal rushed through before Biden took office.
With flight crews spending a couple weeks in quarantine each time they fly, the airline holds out hope the Chinese "vaccine passport" experiment works.
The index of major Chinese technology companies listed in Hong Kong has given up 20.5% of its value in less than a month.
Hong Kong's electoral system needs re-education, according to Beijing's bigwigs, to include only officials loyal to Communist China.
Cracking down on Hong Kong and outlining plans for future growth are two key items on the agenda in Beijing.
In a Kafkaesque move, the Hong Kong authorities charged would-be members of Congress with subversion, for attempting to get elected to Congress.
Stocks were down sharply and across the board in Asia, but absent any region-specific factors.
China's foreign minister says the U.S. should get back to business under Biden, and forget about thorny issues like Taiwan.