Antibiotics have turned once deadly infections into minor inconveniences. They make lifesaving interventions, from surgery to chemotherapy, safer. But every time this powerful tool gets used, there's a risk antibiotic resistance. Out of the billions of bacteria causing an infection in an individual, some small fraction may be naturally resistant to a given drug. Taking an antibiotic can clear the field for those resistant bacteria to spread.
The fish can't legally be called catfish in America because that title is reserved for domestic catfish, so it is usually sold as basa, swai, pangasius, and tra. It has been illegally substituted for at least 18 other fish worldwide, according to research by Oceana. Investigative researchers found the fish, which is actually called pangasius, being sold as much higher-value fish such as perch, grouper, sole, and halibut.
