Please refer to the online supplement for references Infection control precautions are based on the Centers for Disease Control and Prevention at: https://www.cdc.gov/infectioncontrol/guidelines/isolation/appendix/type-duration-precautions.html#M, https://www.cdc.gov/coronavirus/mers/infection-prevention-control.html, https://www.cdc.gov/infectioncontrol/guidelines/isolation/appendix/standard-precautions.html, https://www.cdc.gov/flu/professionals/infectioncontrol/healthcaresettings.htm (all accessed on Dec 10-2019) aAll suspected or confirmed RVIs require minimum of standard precautions. Eye protection is a reasonable addition to droplet isolation as the ocular route of infection has been documented for several common respiratory viruses bData on the novel coronavirus are based on the WHO interim report as of February 4, 2020 cOther viral pathogens with respiratory routes of acquisition