No single remedy could be deemed a specific; for that which did good to one did harm to another.No constitution was of itself strong enough to resist… - Thucydides

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No single remedy could be deemed a specific; for that which did good to one did harm to another.No constitution was of itself strong enough to resist or weak enough to escape the attacks; the disease carried off all alike and defied every mode of treatment. Most appalling was the despondency which seized upon any one who felt himself sickening; for he instantly abandoned his mind to despair and, instead of holding out, absolutely threw away his chance of life. Appalling too was the rapidity with which men caught the infection; dying like sheep if they attended on one another; and this was the principal cause of mortality. When they were afraid to visit one another, the sufferers died in their solitude, so that many houses were empty because there had been no one left to take care of the sick; or if they ventured they perished, especially those who aspired to heroism.

(Book 2 Chapter 51.2-5)