[WHO] Geneva -- On Thursday 21 January, the day following the inauguration of President Joe Biden and Vice-President Kamala Harris, the leading U.S. infectious disease expert, Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases at the National Institutes of Health, officially participated for the first time in this week's meeting of the WHO Executive Board. WHO Director-General Dr Tedros Adhanom Ghebreyesus welcomed him - and praised the United States renewed engagement as a member sta