The Roman History · Amm. 19.4.7

Now the first species of pestilence is called pandemic; this causes those who live in dry places to be attacked by frequent heats. The second is called epidemic, which gets gradually more violent, dims the sight of the eyes, and awakens dangerous humours. The third is called lœmodes, which is also temporary, but still often kills with great rapidity.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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