Agent A|JH|AX|N|T Host HH|U|S|T HH|O|SH|T HH|U|SH|T Environment I|N|V|A + I|R|AX|N|M|AX|N|T IH|N|B|A + I|R|AX|N|M|AX|N|T I|N|B|A + I|R|AX|N|M|AX|N|T IH|N|V|IH|R|AX|N|M|AX|N|T I|N|V|IH|R|AX|N|M|AX|N|T IH|N|B|IH|R|AX|N|M|AX|N|T I|N|B|IH|R|AX|N|M|AX|N|T Epidemiologic triad T|R|IH|AE|D T|R|A + I|A|D T|R|IH|A|D T|R|A + I|AE|JH T|R|IH|AE|JH T|R|A + I|A|JH T|R|IH|A|JH