Moderna says it expects to produce 600 million doses of its COVID-19 vaccine in 2021. That represents an increase of 100 million doses from the company’s previous estimate. (The Wall Street Journal)

U.K. Prime Minister Boris Johnson has imposed another national lockdown in England. The lockdown is designed to bring the new COVID-19 variant under control. (CNN)

It’s likely that additional new strains of the coronavirus will arrive in the U.S., according to Michael Osterholm, an epidemiologist and a member of President-elect Joe Biden’s COVID-19 advisory board. He said the new strain identified in the U.K. is the first of many that will emerge. (CNBC)

Biogen will collaborate with ViGeneron to develop an ophthalmic gene therapy for inherited eye disease. Biogen CEO Michel Vounatsos noted that ophthalmology will be part of the company’s “second wave of growth” in the coming years. (Endpoints News)

Mexico President Andrés Manuel López said the country will focus on vaccinating elderly people in rural locations after frontline medical workers. “We’re going to start at the bottom, where the most marginalized people live,” he said. (Associated Press)