China approved a Covid-19 vaccine developed by an affiliate of state-backed pharmaceutical giant Sinopharm on Dec. 31, the country’s first approved shot for general public use as it braces for increased transmission risks over winter.

The first known U.S. case of a highly infectious coronavirus variant discovered in Britain was detected in Colorado on Dec. 29 as President-elect Joe Biden warned it could take years for most Americans to be vaccinated against Covid-19 at current distribution rates.

Blocking TNF production could offer a more effective solution for the treatment of COVID-19.

The number of reported global daily deaths from the coronavirus reached 10,816 on Nov. 17, according to a Reuters tally, the highest single-day death count as the virus’ global epicenter the United States entered winter.

The United States, Russia and France set new daily records for coronavirus infections as a second wave swelled across parts of the Northern Hemisphere, forcing some countries to impose new curbs.