• How to prevent it. 1. Always keep your hands clean. 2. Avoid touching your nose, eyes, and mouth. 3. Avoid contact with people that are sick as they may be contiguous. 3. Clean your surroundings regularly, as well as the sanitary appliance you use. • How to treat it. 1. Most bacterial diseases can be treated with antibiotics, although antibiotic-resistance strains starting to emerge. Hope this work.