A shampoo manufacturer has initiated a nationwide recall of two of its products due to concerns that the shampoos may be contaminated with a drug-resistant bacterium that could harm users. Here’s what you need to know about the shampoo recall and the bacterium at the center of it. What’s happened? Last week, the consumer products company, Kao USA Inc., announced a voluntary recall of two products made by its subsidiary Oribe, which makes various haircare products, including shampoos and conditio