<unk>  is an essay written by Oliver Wendell Holmes which first appeared in The New England Quarterly Journal of Medicine in 1843. It was later reprinted in the “Medical Essays” in 1855. It is included as Volume 38, Part 5 of the Harvard Classics series.
The Contagiousness of Puerperal Fever
The Last Days of Smallpox
Anatomy of an Epidemic
Remittent fever
Cat Scratch Fever
Far East scarlet-like fever
Infected blood scandal 
Cryptic rabies