3. Koertekatk Koertekatk (inglise keeles canine distemper) on väga nakkav ning raske kuluga viirushaigus, mis ründab seedesüsteemi, hingamisteid ning kesknärvisüsteemi. Surma põhjuseks on närvisüsteemikahjustus ja sellest tingitud tüsistused nagu näiteks krambid või halvatus. Koerte katku põhjustab koerte katku viirus, mis olles üheahelaline RNA viirus kuulub Morbilliviiruste sugukonda. (Lempp jt., 2014) Infektsiooni kliiniline pilt on väga varieeruv. Esmane sümptom, kehatemperatuuri tõus, ei ole spetsiifiline
And I do think, or else this brain of mine Hunts not the trail of policy so sure As it hath used to do, that I have found The very cause of Hamlet's lunacy. KING CLAUDIUS O, speak of that; that do I long to hear. LORD POLONIUS Give first admittance to the ambassadors; My news shall be the fruit to that great feast. KING CLAUDIUS Thyself do grace to them, and bring them in. Exit POLONIUS He tells me, my dear Gertrude, he hath found The head and source of all your son's distemper. QUEEN GERTRUDE I doubt it is no other but the main; His father's death, and our o'erhasty marriage. KING CLAUDIUS Well, we shall sift him. Re-enter POLONIUS, with VOLTIMAND and CORNELIUS Welcome, my good friends! Say, Voltimand, what from our brother Norway? VOLTIMAND 57 Most fair return of greetings and desires. Upon our first, he sent out to suppress His nephew's levies; which to him appear'd
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