At first, it seemed odd when an unfamiliar customer bought ivermectin, an animal dewormer. At Nashua Farmers’ Exchange – surrounded for several miles by concrete and cityscape – the drug meant for treating large animals wasn’t in high demand, but the store regularly kept it in stock. Judy Rata-Harrington, an assistant at the shop, couldn’t imagine another use for the product. When a couple more customers came in asking for the same animal dewormer, Rata-Harrington knew something was awry. She and her husband, the manager at the store, decided to stop selling ivermectin. “I just don’t want to get involved...
