Entertainment Delta variant ‘highly worrisome’ as spread grows across Americas – PAHO By qatar day - August 5, 2021 0 455 Facebook Twitter Pinterest WhatsApp Delta variant ‘highly worrisome’ as spread grows across Americas – PAHO – August 05, 2021 Image: CTV News MEXICO CITY, Aug 4 – The Delta variant of the coronavirus is “highly worrisome” as the mutation has spread to nearly two dozen countries…