Jonas Salk and the Invention of the Polio VaccineMain MenuJonas Salk and the Invention of the Polio VaccineA Brief History of VariolationA Brief History of VaccinationPolio TimelineAlvaro Quezada7828c851ddc470a00b45eb00bde06e8e2aefd52c
Identifying the Role of Asymptomatic Individuals
1media/Polio Quarantine Notice.png2020-10-26T17:19:10-07:00Holly Thompson371121db54ab210690ec037d01e9e87f68752e843788910Epidemiologists were able to determine that asymptomatic persons can spread disease.plain2020-10-27T10:15:47-07:001916Holly Thompson371121db54ab210690ec037d01e9e87f68752e84In 1916, the United States Public Health Service for the first time officially recorded the role of asymptomatic persons in spreading disease during a particularly devastating outbreak in the Northeastern region of the country. It was reported that 27,000 people were paralyzed and 6,000 people died.
1media/Polio Quarantine Notice_thumb.png2020-10-27T10:14:20-07:00Polio Quarantine Notice1Homes were placed under quarantine when an infected person was identified.media/Polio Quarantine Notice.pngplain2020-10-27T10:14:20-07:00