Isihluzo esilahliweyo seBacteria kunye neViral sisetyenziselwa iibhaktheriya, ukuhluzwa kwamasuntswana kumatshini wokuphefumla kunye nomatshini we-anesthesia kunye nokwandisa iqondo lokufuma kwerhasi, kananjalo unokuxhotyiswa ngomatshini wokusebenza kwemiphunga ukucoca isitshizi ngebhaktheriya kwisigulane.