Measles

Three weeks from the commencement of the disease, if all rash and cough have ceased.

Mumps

Three weeks from the commencement of the disease, if all swelling has gone down.

Chicken Pox

Three weeks from the commencement of the disease, if every scab has fallen off.

Typhus

Four weeks from the commencement, if strength is reestablished.

Diphtheria

Six weeks from the commencement, if sore throat and other signs of the disease have disappeared.

Smallpox

Six weeks from the commencement, if every scab has fallen off.

Scarlet Fever

Six weeks from the commencement of the disease, if the nose is not sore and the peeling has ceased.

Typhoid Fever

Six weeks from the commencement of the disease, if strength has returned.

Whooping-Cough

Six weeks from commencement, if cough has ceased.

Length Of Quarantine After Exposure

Diphtheria - twelve days.

Scarlet fever - fourteen days. Smallpox, measles, and chicken pox - eighteen days.

Whooping-cough - twenty-one days. Mumps - twenty-four days.