People from all over the region traveled to the Monroeville Convention Center on March 30 in order to receive their second dose of the covid-19 vaccine.
The first doses were administered by 200 Allegheny Health Network staffers exactly three weeks prior, on March 9, when 5,100 people signed up to receive the Pfizer shot.
AHN has organized several mass-vaccination events in the Pittsburgh area within the past month, administering more than 140,000 doses.
