Across
- 4. A disease epidemic that covers a large geographic area
- 7. When bacteria form ________, they are very difficult to kill
- 10. The length of time that a disinfectant must remain wet on the surface to work properly
- 12. The process of removing dirt and debris from a surface
- 13. The first epidemic caused by a novel coronavirus
Down
- 1. Dental plaque is an example of a __________
- 2. Washing and sanitizing hands are examples of this
- 3. Pathogens that can be spread between humans and other animals
- 5. Staphylococcus and Salmonella are examples of __________
- 6. Examples include gloves, masks and goggles
- 8. Hydrogen peroxide breaks down to water and _________
- 9. These give disinfectants cleaning capabilities
- 11. An inanimate object that can harbour pathogens