AbbVie announced the company’s latest chimeric antigen receptor (CAR)-T cell investment, a collaboration with Caribou Biosciences worth $40 million up front in cash and equity to develop two CRISPR-edited cell therapies against AbbVie-specified targets.

A study of Fitbit wearers concludes that almost 50 percent of Covid-19 cases can be detected a day before enrollees in the study reported the onset of symptoms, and with 70 percent specificity.

Researchers at the The Scripps Research Institute found that the strains spreading so quickly in Europe and the U.S. have a mutated S “spike” protein that makes it about 10 times more infectious than the strain that originally was identified in Asia.