Necessary to all families. In answer to questions proposed by the Royal Society of Paris, on the cause and most effectual methods to prevent the progress of infectious disorders [electronic resource] : A treatise on fevers: wherein their causes are exhibited in a new point of view. By a proper Attention to which, their Contagion (accruing from a Contaminated Air) will be prevented; and a Variety of Cases-as Putrid Sore Throats, Inflammations, Fluxes, Influenzas, Influenzas, Consumptions, as well as Low Nervous Fevers that terribly affect the Spirits, may be cured with Ease.