Foto: "<a href="https://www.ccnull.de/foto/older-couple-and-doctor-with-thermometer-and-check-your-temperature-text/1015518" target="_blank">Older couple and doctor with thermometer and Check your temperature text</a>" von <a href="https://www.ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://www.ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/50562579333/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>