Also, the CDC currently recommends the use of face coverings in public and continued social distancing, https://www.cdc.gov/coronavirus/2019‐ncov/downloads/cloth‐face‐coverings‐information.pdf, but these guidelines were updated from early advice discouraging the use of face coverings by the general population due to a shortage of personal protective equipment (PPE) for healthcare workers. https://www.nytimes.com/2020/03/31/health/cdc‐masks‐coronavirus.html These positions are in contrast to the prevailing advice in many nations.