China PCR Purchases Spiked in Months Before First Known Covid Cases, Firm SaysOctober 4 2021https://www.bnnbloomberg.ca/china-pcr-purchases-spiked-in-months-before-first-known-covid-cases-firm-says-1.1661618
October 4 2021https://www.bnnbloomberg.ca/china-pcr-purchases-spiked-in-months-before-first-known-covid-cases-firm-says-1.1661618
