Bacteria

Flesh-eating bacteria sounds like the premise of a bad horror movie, but it’s a growing – and potentially fatal – threat to people. In September 2023, the Centers for Disease Control and Prevention issued a health advisory alerting doctors and public health officials of an increase in flesh-eating bacteria cases that can cause serious wound infections. I’m a professor at the Indiana University School of Medicine, where my laboratory studies microbiology and infectious disease. Here’s why the CDC is so concerned about this deadly infection – and ways to avoid contracting it. What does ‘flesh-eating’ mean? There are several types of bacteria that can infect open wounds and cause a rare condition called necrotizing fasciitis. These bacteria do not merely damage the surface of the skin – they release toxins that destroy the underlying tissue, including muscles, nerves and blood vessels. Once the bacteria reach the bloodstream,...

For many Americans, pumpkins mean that fall is here. In anticipation, coffee shops, restaurants and grocery stores start their pumpkin flavor promotions in late August, a month before autumn officially begins. And shoppers start buying fresh decorative winter produce, such as pumpkins and turban squash, in the hot, sultry days of late summer. But these fruits – yes, botanically, pumpkins and squash are fruits – don’t last forever. And they may not even make it to Halloween if you buy and carve them too early. As a plant pathologist, gardener and self-described pumpkin fanatic, I have both boldly succeeded and miserably failed at growing, properly carving and keeping these iconic winter squash in their prime through the end of October. Here are some tips that can help your epic carving outlast the Day of the Dead. This jack-o’-lantern carved from a pumpkin with a preexisting fungal disease, southern blight, is sho...