"""<span class=""""caption"""">Precautions taken during the 1918 flu pandemic would not allow anyone to ride street cars without a mask. Here, a conductor bars an unmasked passenger from boarding.</span> <span class=""""attribution""""><a class=""""link rapid-noclick-resp"""" href=""""https://www.gettyimages.com/detail/news-photo/precautions-taken-during-spanish-influenza-epidemic-would-news-photo/1223011380"""" rel=""""nofollow noopener"""" target=""""_blank"""" data-ylk=""""slk:Universal History Archive/Getty Images"""">Universal History Archive/Getty Images</a></span>"""
{}