Physicians as far back as 10th century Persia have been documenting the virus, which killed millions of children well into the 20th century. Finally, in 1963, biochemist John Enders developed the first measles vaccine, a development which virtually eradicated the virus from the US population by the year 2000. Now the virus is back, threatening to tear through a Texas immigration detention center with a vengeance — a grim collision of Trump-era vaccine skepticism and brutal immigration enforcement that seems to perfectly encapsulate this moment in US politics. That’s right: according to the Washington Post, two detainees at the federal immigration family detention center in Dilley, Texas have tested positive for measles. “This is not a place that you would want to have your child be for even 15 minutes,” he said.