Years of research laid groundwork for speedy COVID-19 shots - Associated Press

Years of research laid groundwork for speedy COVID-19 shots  Associated PressFDA could authorize Pfizer's Covid vaccine this week as U.S. deaths surge  CNBCTrump administration refused offer to buy millions more Pfizer vaccine doses  The GuardianU.S. AstraZeneca vaccine trial will clear confusion on how well it works - U.S. scientist  ReutersYour Life Will Get 'Back to Normal' by This Month, White House Says  msnNOWView Full Coverage on Google Ne