US Defence Secretary Mark Esper speaks about the coronavirus at the White House on April 1. Photo: AP

US officials probe threat of coronavirus bioweapon

  • Pentagon and intelligence community are throwing more resources at possibility that adversaries will deploy virus against US targets
  • Change reflects evolving understanding of virus and its risks, but does not mean officials believe it was created to be weaponised
Topic |   Coronavirus pandemic
US Defence Secretary Mark Esper speaks about the coronavirus at the White House on April 1. Photo: AP
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