China to test Wuhan residents' blood samples for virus clues: CNN

China is preparing to test tens of thousands of blood samples collected from Wuhan residents as part of efforts to look into the origins of the pandemic-causing coronavirus, CNN reported Wednesday Beijing time, citing a Chinese official.In a report, an international team of investigators from the World Health Organization who visited the central Chinese city in January and February has called for looking into whether blood bank samples collected during the initial period of the outbreak contain antibodies to the virus.Chinese authorities first confirmed the virus in Wuhan in December 2019. …READ FULL ARTICLE