KANSAS CITY, Mo. — When Braxten Goodwin walked across the stage to receive her bachelor's degree in 2019, her extended family, packed in an overflow room and watching from a screen at Lincoln University in Columbia, Missouri, burst with pride. When she gave birth to her first child in Kansas City a few months later, a dozen family members sat around the waiting room, eager to shower her in love and support. But when she delivered her second child in July after being diagnosed with COVID-19, Goodwin was alone. Family held their breath and said their prayers from home. They had witnessed her lon...