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J&J's 1-dose shot cleared, giving US 3rd COVID-19 vaccine Health Feb 27 J&J's 1-dose shot cleared, giving US 3rd COVID-19 vaccine By Lauran Neergaard, Matthew Perrone, Associated Press

J&J's 1-dose shot cleared, giving US 3rd COVID-19 vaccine Health Feb 27 J&J's 1-dose shot cleared, giving US 3rd COVID-19 vaccine By Lauran Neergaard, Matthew Perrone, Associated Press

FDA Authorizes Johnson & Johnson's One-Shot COVID-19 Vaccine class="imagewrap has-source-dimensions" data-crop-type="wide" style=" --source-width: 4500; --source-height: 2531; " > A health care worker holds a vial of the Johnson & Johnson COVID-19 vaccine at Klerksdorp Hospital in Klerksdorp, South Africa, on Feb. 18. PHILL MAGAKOE/AFP via Getty Images hide caption toggle caption PHILL MAGAKOE/AFP via Getty Images Coronavirus Updates

FDA Authorizes Johnson & Johnson's One-Shot COVID-19 Vaccine class="imagewrap has-source-dimensions" data-crop-type="wide" style=" --source-width: 4500; --source-height: 2531; " > A health care worker holds a vial of the Johnson & Johnson COVID-19 vaccine at Klerksdorp Hospital in Klerksdorp, South Africa, on Feb. 18. PHILL MAGAKOE/AFP via Getty Images hide caption toggle caption PHILL MAGAKOE/AFP via Getty Images Coronavirus Updates

Students abducted from Nigerian school 2 weeks ago freed World Feb 27 Students abducted from Nigerian school 2 weeks ago freed By Sam Olukoya, Associated Press

Students abducted from Nigerian school 2 weeks ago freed World Feb 27 Students abducted from Nigerian school 2 weeks ago freed By Sam Olukoya, Associated Press

Myanmar police deploy early to crank up pressure on protests World Feb 27 Myanmar police deploy early to crank up pressure on protests By Associated Press

Myanmar police deploy early to crank up pressure on protests World Feb 27 Myanmar police deploy early to crank up pressure on protests By Associated Press

Archeologists find intact ceremonial chariot near Pompeii World Feb 27 Archeologists find intact ceremonial chariot near Pompeii By Colleen Barry, Associated Press

Archeologists find intact ceremonial chariot near Pompeii World Feb 27 Archeologists find intact ceremonial chariot near Pompeii By Colleen Barry, Associated Press

Biden hails House passage of $1.9T virus bill, now to Senate Politics Feb 27 Biden hails House passage of $1.9T virus bill, now to Senate By Alan Fram, Associated Press

Biden hails House passage of $1.9T virus bill, now to Senate Politics Feb 27 Biden hails House passage of $1.9T virus bill, now to Senate By Alan Fram, Associated Press

House Passes $1.9 Trillion COVID-19 Plan; Biden Calls For 'Quick Action' From Senate class="imagewrap has-source-dimensions" data-crop-type="wide" style=" --source-width: 5474; --source-height: 3079; " > The U.S. Capitol is seen behind a sign during a demonstration in support of COVID-19 relief, organized by Shutdown DC, on the National Mall. Al Drago/Getty Images hide caption toggle caption Al Drago/Getty Images Politics

How a medical student helped discover lifesaving insulin Health Feb 27 How a medical student helped discover lifesaving insulin By Dr. Howard Markel

House Passes $1.9 Trillion COVID-19 Plan; Biden Calls For 'Quick Action' From Senate class="imagewrap has-source-dimensions" data-crop-type="wide" style=" --source-width: 5474; --source-height: 3079; " > The U.S. Capitol is seen behind a sign during a demonstration in support of COVID-19 relief, organized by Shutdown DC, on the National Mall. Al Drago/Getty Images hide caption toggle caption Al Drago/Getty Images Politics

How a medical student helped discover lifesaving insulin Health Feb 27 How a medical student helped discover lifesaving insulin By Dr. Howard Markel

House Approves $1.9 Trillion COVID-19 Relief Package class="imagewrap has-source-dimensions" data-crop-type="wide" style=" --source-width: 5474; --source-height: 3079; " > The U.S. Capitol is seen behind a sign during a demonstration in support of COVID-19 relief, organized by Shutdown DC, on the National Mall. Al Drago/Getty Images hide caption toggle caption Al Drago/Getty Images Politics House Approves $1.9 Trillion COVID-19 Re

WATCH: NASA names D.C. headquarters for 'Hidden Figures' engineer Nation Feb 26 WATCH: NASA names D.C. headquarters for 'Hidden Figures' engineer By Associated Press