Challenges in preventing the spread of infectious diseasesMeasures to address the Three Cs
Avoiding the Three Cs is important to prevent the spread of infectious diseases. Various countermeasures addressing the three Cs are being taken in facilities and stores. Until now, however, there has been no way for customers to easily know the standards of those countermeasures or the circumstances, such as what standards are used for ventilation and how much distance is ensured between people.
- Confined and Enclosed
- Confined and Enclosed spaces with poor ventilation
- Crowded places with many people nearby
- Close-contact settings such as close-range conversations