 | | PHS Surgeon General Julius Richmond poses with consumer representative Virginia Knauer and Deputy Surgeon General John Greene to publicize a campaign to discourage Americans from smoking, 1970s. |
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 | | A scene from the PHS film, Know for Sure (1941), which was designed to educate the public about venereal disease and recommended the use of blood tests to detect syphilis. |
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 | | During World War I, PHS launched a campaign against venereal disease, including the use of posters featuring a character known as PHS Surgeon Sage who warned soldiers against casual sexual encounters. |
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 | | During the 1930s, PHS sought to educate Americans on the dangers of diseases such as pneumonia with posters such as this one. |
