The FT's Kiran Stacey outlines concerns from public health officials that protests in several US, cities over the killing of George Floyd, could trigger a second wave of coronavirus cases. See if you get the FT for free as a student (http://ft.com/schoolsarefree) or start a £1 trial: https://subs.ft.com/spa3_trial?segmentId=3d4ba81b-96bb-cef0-9ece-29efd6ef2132

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