an antigenic substance of bacterial origin, produced chiefly by staphylococci, which may be causally related to thrombus formation. coagulase test. enzymatic conversion of fibrinogen in rabbit plasma to fibrin is used as a means of identifying pathogenic species of staphylococci.The test may be carried out rapidly on a slide or in several hours or overnight in a tube.Most coagulase-positive staphyloccoci are pathogenic; coagulase-negative ones commonly are not.nzymatic conversion of fibrinogen in rabbit plasma to fibrin is used as a means of identifying pathogenic species of staphylococci. The test may be carried out rapidly on a slide or in several hours or overnight in a tube. Most coagulase-positive staphyloccoci are pathogenic; coagulase-negative ones commonly are not.
'Environmentally displaced people' are those who are impelled or induced to migrate because their livelihoods are rendered unsustainable by proliferating natural disasters or the irreversible degradation of environmental resources resulting from the slow-onset impacts of rising sea levels and desertification.
Refugee status is a form of protection that may be granted to people who meet the definition of refugee and who are of special humanitarian concern to the United States. Refugees are generally people outside of their country who are unable or unwilling to return home because they fear serious harm. For a legal definition of refugee, see section 101(a)(42) of the Immigration and Nationality Act (INA). You may seek a referral for refugee status only from outside of the United States. For more information about refugees, see the âRefugeesâ section.