Overview
- Experts identify the kitchen—especially sinks, towels and overlooked handles—as the home’s primary reservoir of microbes, not the bathroom.
- Porous, long‑wet sponges can harbor billions of microbes per cubic centimeter within days, so switch to faster‑drying brushes or metal scourers and replace tools frequently.
- Hot machine washing at 60°C with detergent, followed by complete drying, reduces germs more reliably than microwaving and helps disrupt biofilms.
- Microwaving a wet sponge only lowers counts temporarily, does not sterilize, and carries risks such as uneven heating and potential fire if done improperly.
- Food‑safety practices limit risk most: do not rinse raw meat or fish, prepare ready‑to‑eat items first, use separate boards and utensils, wash hands thoroughly, and clean fridges regularly; media also report frequent contamination of dish towels and some dishwashers.