Unfortunately “used to” is a bit optimistic. Hookworms are still a problem to this day. https://www.theguardian.com/us-news/2017/sep/05/hookworm-lowndes-county

Unfortunately “used to” is a bit optimistic. Hookworms are still a problem to this day. https://www.theguardian.com/us-news/2017/sep/05/hookworm-lowndes-county-alabama-water-waste-treatment-poverty https://www.theguardian.com/us-news/2017/sep/05/hookworm-low...