Courtesy of the David J. Sencer CDC Museumstacks.cdc.gov/view/cdc/20774/cdc_20774_DS1.pdf · a sap...

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Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

Courtesy of the David J. Sencer CDC Museum

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