Droplet nucleus

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

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