Droplet nucleus explained

Droplet nuclei are aerosols formed from the evaporation of respiratory droplets.[1] They are generally smaller than 5 μm in diameter. Droplet nuclei are formed by the "dried residua of larger respiratory droplets".[2] These particles are "the vehicle for airborne respiratory disease transmission, which are the dried-out residual of droplets possibly containing infectious pathogens".[3] Diseases such as tuberculous and COVID-19 can be transmitted via droplet nuclei.[2] [4]

See also

Notes and References

  1. Book: Atkinson. James. Natural Ventilation for Infection Control in Health-Care Settings. Chartier. Yves. Pessoa-Silva. Carmen Lúcia. Jensen. Paul. Li. Yuguo. Seto. Wing-Hong. 2009. World Health Organization. 978-92-4-154785-7. en. Annex C: Respiratory droplets. https://www.ncbi.nlm.nih.gov/books/NBK143281/.
  2. Catching Droplet Nuclei. Nardell, Edward A.. American Journal of Respiratory and Critical Care Medicine. 2004. 169. 5. 553–554. 10.1164/rccm.2401003. 14982820. 5 September 2020.
  3. Web site: Natural Ventilation for Infection Control in Health-Care Settings. ncbi.nlm.nih.gov. 5 September 2020.
  4. Web site: Modes of transmission of virus causing COVID-19: implications for IPC precaution recommendations. Scientific brief. who.int. 2020-03-29. 5 September 2020.

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