ProPublica
Measles is like the bright dye that plumbers flush through pipes to find leaks in a complex system, writes @SheInvestigates. The continued appearance of the virus warns of cracks in our once-solid protection. https://www.propublica.org/article/measles-cases-vaccines?utm_campaign=propublica-sprout&utm_content=1787259608&utm_medium=social&utm_source=twitter