With sleeves rolled up and a third vaccine in the arsenal of health professionals, the Johnson and Johnson vaccine is now in Maryland.
"I've said all along, this is a marathon and not a sprint. I told you that the calvary had arrived. Moderna and Pzifer had arrived, and now we have more reinforcements," Olszewski said
Baltimore County leaders toured the county's first site, the State Fairgrounds in Timonium, to administer the one-dose shot.
"We know that it's going to decrease the amount of deaths, hospitalizations, and very, very severe infections, secondary to COVID," said Baltimore County Health Officer Dr. Gregory Branch.