Washington,NOV 26 : The United States plans to distribute 6.4 million doses of the Pfizer-BioNTech Covid-19 vaccine in the first week after it is cleared for emergency use, which is
Washington,NOV 26 : The United States plans to distribute 6.4 million doses of the Pfizer-BioNTech Covid-19 vaccine in the first week after it is cleared for emergency use, which is