Turbulent Gas Clouds and Respiratory Pathogen Emissions Potential Implications for Reducing Transmission of COVID-19. Bourouiba, L. JAMA, 2020.
doi  abstract   bibtex   
An editorial discussing the importance of studying cough droplets as 'clouds' rather than single droplets. Lifetimes of droplets could be extended due to the local mist raising the humidity. The advised 2m separation distance is based on estimates of range that have not considered the possible presence of a high-momentum cloud carrying the droplets long distances.
@article{
 title = {Turbulent Gas Clouds and Respiratory Pathogen Emissions Potential Implications for Reducing Transmission of COVID-19},
 type = {article},
 year = {2020},
 pages = {E1-E2},
 id = {2861ebf6-5d41-3eac-8ecb-be2405f7cdcb},
 created = {2020-08-24T12:02:10.052Z},
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 last_modified = {2020-08-24T12:02:10.052Z},
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 abstract = {An editorial discussing the importance of studying cough droplets as 'clouds' rather than single droplets. Lifetimes of droplets could be extended due to the local mist raising the humidity. The advised 2m separation distance is based on estimates of range that have not considered the possible presence of a high-momentum cloud carrying the droplets long distances.},
 bibtype = {article},
 author = {Bourouiba, Lydia},
 doi = {10.1001/jama.2020.4756},
 journal = {JAMA},
 keywords = {cough,expiration,exposure,jets,transmission}
}

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