According to the Washington Post, face masks with the coin-sized valves on the front may not be as good at preventing the spread of the novel coronavirus as the seemingly lower-tech, non-valved masks.
Questions:
- Why are the lower-tech masks better at preventing the spread of COVID-19?
- Do medical masks have the valves?
- What does the CDC recommend for the public?
- Use the Internet to find the most interesting story about masks and economic impact, accounting, or finance.
Source:
Fritz, A. (2020) Why simple cloth masks without valves are better at fighting the spread of covid-19. The Washington Post, June 28 (Retrievable online at https://www.washingtonpost.com/health/why-simple-cloth-masks-without-valves-are-better-at-fighting-the-spread-of-covid-19/2020/06/26/c445fca6-b574-11ea-aca5-ebb63d27e1ff_story.html)