Source: South China Morning PostThe United States may not need AstraZeneca’s Covid-19 vaccine, even if it wins the nation’s regulatory approval, Anthony Fauci, the America’s top infectious disease doctor said on Thursday.The vaccine, once hailed as another milestone in the fight against the Covid-19 pandemic, has been dogged by questions since late last year, even as it has been authorised for use by dozens of countries, not including United States.Fauci, director of the National Institute of Allergy and Infectious Diseases…Read More