There are a number of sources of information that a business or employee can seek information from in relation to taking part in hygienic practices within the hospitality industry.

1. Health Department Websites: Health departments at the local, state, and national levels often provide guidelines and resources for maintaining hygienic practices in the hospitality industry. These resources may include cleaning and sanitizing guidelines, food handling procedures, and information on preventing the spread of infectious diseases.

2. Industry Associations: Associations such as the National Restaurant Association or the American Hotel & Lodging Association often provide resources and training materials to help businesses maintain high standards of hygiene. These resources may include training videos, checklists, and best practice guides.

3. Professional Training Programs: Many organizations offer professional training programs in hospitality hygiene. These programs typically cover topics such as food safety, cleaning and sanitizing, pest control, and employee health and hygiene.

4. Regulatory Agencies: In many countries, there are regulatory agencies that oversee the hospitality industry. These agencies often provide guidelines and resources to help businesses comply with hygiene and safety regulations.

5. Supplier Information: Suppliers of cleaning products and equipment often provide information on how to use their products effectively to maintain hygiene in a hospitality setting. This can include instructions for use, safety data sheets, and training materials.

Remember, it's important to regularly update your knowledge and training in hygienic practices, as guidelines and regulations can change.