Of the Different Causes of Pestilential Diseases, and How They Become Contagious
WITH
REMARKS
Upon the Infection now in
FRANCE,
And the most probable Means to
prevent its Spreading here.
By John Quincy, M. D.
LONDON:
Printed for E. Bell, at the Cross Keys in Cornhill; and J. Osborn, at the Oxford-Arms in Lombard-street, 1720.