Kropelki czy aerozol?

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Dwa artykuły dotyczące kwestii sposobu rozprzestrzeniania się wirusa powodującego COVID-19



Update 2020-03-29

Conclusions


Based on the available evidence, including the recent publications mentioned above, WHO continues to recommend droplet and contact precautions for those people caring for COVID-19 patients. WHO continues to recommend airborne precautions for circumstances and settings in which aerosol generating procedures and support treatment are performed, according to risk assessment.13 These recommendations are consistent with other national and international guidelines, including those developed by the European Society of Intensive Care Medicine and Society of Critical Care Medicine14 and those currently used in Australia, Canada, and United Kingdom.15-17



At the same time, other countries and organizations, including the US Centers for Diseases Control and Prevention and the European Centre for Disease Prevention and Control, recommend airborne precautions for any situation involving the care of COVID-19 patients, and consider the use of medical masks as an acceptable option in case of shortages of respirators (N95, FFP2 or FFP3).18-19 



Current WHO recommendations emphasize the importance of rational and appropriate use of all PPE,20 not only masks, which requires correct and rigorous behavior from health care workers, particularly in doffing procedures and hand hygiene practices.21 WHO also recommends staff training on these recommendations,22 as well as the adequate procurement and availability of the necessary PPE and other supplies and facilities. Finally, WHO continues to emphasize the utmost importance of frequent hand hygiene, respiratory etiquette, and environmental cleaning and disinfection, as well as the importance of maintaining physical distances and avoidance of close, unprotected contact with people with fever or respiratory symptoms. 



WHO carefully monitors emerging evidence about this critical topic and will update this scientific brief as more information becomes available. 



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