Earlier testing and tracing could have prevented spread of COVID-19 in U.S. and Europe
Earlier testing and contact tracing might have prevented SARS-CoV-2, the virus that causes COVID-19, from becoming established in the United States and Europe, suggests a new study recently published in Science. For the study, an international research team-including UBC scientist Dr. Jeffrey Joy-reconstructed the spread of SARS-CoV-2 across the world using genomic data from coronavirus