Fear is not entertained of an epidemic of smallpox such as occurred a year ago, but, as a precaution, in its determination to avert such an epidemic, the Department of Public Safety will again conduct a campaign of vaccination. Police lieutenants have been ordered to have the patrolmen make a house-to-house canvass, taking a census of persons who have not been successfully vaccinated within the last five years. When the canvass is complete, city vaccine physicians will call on and vaccinate those who will submit to it.
Campaign of Vaccination. JAMA. 2003;289(1):112. doi:10.1001/jama.289.1.112-e
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