The U.S. Centers for Disease Control and Prevention (CDC) set an Oct. 16 deadline for states to submit plans for distributing Covid-19 vaccines – even before it becomes clear when any will be available – according to a presentation to a panel of experts who make recommendations on U.S. vaccines.

Enrollment in the 30,000-volunteer U.S. trial testing a Covid-19 vaccine from Pfizer and German partner BioNTech is more than 50 percent complete, according to a top Pfizer vaccine research and development scientist.

San Diego-based Sorrento Therapeutics rejected a non-binding acquisition proposal from a private equity firm, saying that the offer “significantly undervalues Sorrento and is not in the best interest of the company’s stockholders.”

The committee responsible for U.S. vaccination schedules gave a preferential recommendation to GlaxoSmithKline’s newly approved shingles vaccine Shingrix over Merck’s established product Zostavax.