Virginia, Maryland tap hospitals for Covid-19 antibody studies

Maryland and Virginia are tapping local hospitals to conduct antibody studies to determine the reach of Covid-19 in hopes of getting a better understanding of how it's spread and how to fight it. On Thursday, Virginia Gov. Ralph Northam announced the state’s health department is moving forward with a pediatric serology study in Northern Virginia. The state is teaming with Inova Health System to measure the proportion of residents age 19 and under that have Covid-19 antibodies. Antibodies are…