Pre-print for that paper was published 7 months ago and the sample collection date was from April-May 2020. Obviously there have been huge spikes in cases acros

Pre-print for that paper was published 7 months ago and the sample collection date was from April-May 2020. Obviously there have been huge spikes in cases across the world since May 2020 with majority of infections occurring after that timeframe. > Sample collection date Apr–May 2020