Death of researcher at Russian plague laboratory ‘particularly concerning’: Birx

Dr. Deborah Birx, former White House COVID-19 response coordinator, said the death of a researcher at a Russian lab studying pneumonic plague is 'particularly concerning.' She noted the White House, State Department, and CDC are 'very much aware' of the situation. The researcher's death raises concerns about potential biosecurity risks and the safety of personnel handling dangerous pathogens.