Pfizer says early data shows Covid-19 vaccine 90 percent effective, President-elect Biden announces Covid-19 task force, and Supreme Court prepares to hear arguments in Obamacare challenge.”
Watch “NBC Nightly News With Lester Holt” at 6:30…
Pfizer says early data shows Covid-19 vaccine 90 percent effective, President-elect Biden announces Covid-19 task force, and Supreme Court prepares to hear arguments in Obamacare challenge.”
Watch “NBC Nightly News With Lester Holt” at 6:30…