Can all bacterial infections be prevented by hand washing?

Not all bacterial infections can be prevented by hand washing. While hand washing is an effective way to reduce the spread of many bacterial infections, some bacteria can be transmitted through other routes, such as:

- Airborne transmission: Some bacteria, such as those that cause tuberculosis and pneumonia, can be transmitted through the air when an infected person coughs or sneezes.

- Fomite transmission: Bacteria can also be spread through contact with contaminated objects or surfaces, such as doorknobs, countertops, or medical instruments.

- Foodborne transmission: Some bacteria, such as those that cause food poisoning, can be transmitted through contaminated food or water.

- Animal contact: Some bacteria can be transmitted through contact with infected animals or their bodily fluids.

- Direct contact: Some bacteria can be transmitted through direct contact with an infected person or their bodily fluids, such as through kissing, sharing needles, or engaging in sexual activity.