The US' leading infectious disease expert Dr. Anthony Fauci on Thursday said the country formally recommitted to the World Health Organization, which was immediately welcomed by the health body's chief for its impact on global health. "This is a good day for WHO and a good day for global health," said WHO Director-General Tedros Ghebreyesus, adding that the global role of the US is "very crucial". He was welcoming Fauci's ...