Stephen Byers, Ph.D., associate director and professor of oncology at Georgetown Lombardi, and his team published a paper in the journal Gastroenterology regarding their findings of a novel target for pancreatic cancer therapy.

The U.S. coronavirus death toll topped 400,000 on Jan. 19, according to a Reuters tally, as the country hardest hit by the pandemic struggled to meet the demand for vaccines to stem the spread of infection.

Thermo Fisher Scientific is acquiring Mesa Biotech for about $450 million in cash, and will pay an additional $100 million in cash after certain milestones are hit.

Moderna Inc. received a report from California’s health department that several people at a center in San Diego were treated for possible allergic reactions to the company’s Covid-19 vaccine from a particular batch.

The United States lost more than 23,000 lives to Covid-19 during the week ended Jan. 17, setting a record for the third week in a row, though the number of new infections and the amount of patients in hospitals both fell from the previous seven days.

Researchers are working on a type of vaccine technology using nanoparticles that is less expensive and does not need to be stored at very low temperatures compared to the mRNA technology used by BioNTech-Pfizer and Moderna to develop vaccines against Covid-19.