I expect they will uncover a lot of previously undetected...

  1. 14,118 Posts.
    lightbulb Created with Sketch. 11
    I expect they will uncover a lot of previously undetected cases.

    That can only happen if they are testing for antibodies. The relevance of that is that those who are antibody + ve can go back to work and start the world on the road to recovery.
 
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