AdvertisementBiden Administration To Spend $1.7 Billion To Track Spread Of Coronavirus VariantsApril 16, 2021Rob SteinTamara KeithfacebookEmailLab assistant Tammy Brown dons personal protective equipment in a lab at the University of Maryland School of Medicine in Baltimore. She works on preparing positive coronavirus tests for sequencing to discern variants rapidly spreading throughout the country. (The Washington Post via Getty Images)