Two biologic therapeutic candidates met their primary endpoints in separate Phase III trials: AstraZeneca’s Ultomiris and Argenx’s Vyvgart.

The U.S. Food and Drug Administration added another warning to the regulatory agency’s fact sheet for Johnson & Johnson’s COVID-19 vaccine. In other news, as the Omicron variant rips through the United States, top health officials have noted that the variant is so contagious that if you come into contact with it, you are likely to catch it.

The U.S. Food and Drug Administration on January 11 amended the fact sheet for Johnson & Johnson’s COVID-19 vaccine to include a rare risk of immune thrombocytopenia, a bleeding disorder.

Europe’s drug regulator found a possible link between Johnson & Johnson’s Covid-19 vaccine and rare blood clotting issues in adults who received doses in the United States, but backed its overall benefits against any risks.

The U.S. National Institutes of Health launched a clinical trial of fostamatinib, currently used to treat a blood platelet-destroying autoimmune disorder, in patients hospitalized with severe Covid-19.