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This image is a work of the Centers for Disease Control and Prevention , part of the United States Department of Health and Human Services , taken or made as part of an employee's official duties. As a work of the U.S. federal government , the image is in the public domain . eesti ∙ Deutsch ∙ čeština ∙ español ∙ português ∙ English ∙ français ∙ Nederlands ∙ polski ∙ slovenščina ∙ suomi ∙ македонски ∙ українська ∙ 日本語 ∙ 中文（简体）‎ ∙ 中文（繁體）‎ ∙ العربية ∙ +/−