Contact with these pesticides in the workplace increased risk more than exposure at home. Unsurprisingly, exposure at both workplace and at home was worse than exposure at one place or the other.
Investigations of human cases in Asia and elsewhere have identified close contact with diseased or dead household poultry as the most important source of human exposure to the virus.
在亚洲和其它地方对人间病例的调查已确认与家庭禽群或死禽直接接触为人与该病毒最重要的接触源。
3
Investigations into the sources of exposure indicate a history of contact with dead birds in each case.