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.
A refugee is someone who has been forced to flee his or her country because of persecution, war, or violence. A refugee has a well-founded fear of persecution for reasons of race, religion, nationality, political opinion or membership in a particular social group.Most likely, they cannot return home or are afraid to do so. War and ethnic, tribal and religious violence are leading causes of refugees fleeing their countries.n internally displaced person (IDP) is a person who has been forced to flee his or her home for the same reason as a refugee, but remains in his or her own country and has not crossed an international border. Unlike refugees, IDPs are not protected by international law or eligible to receive many types of aid.