By years of research involving coughs and sneezes for years, associate Professor Lydia Bourouiba has warned in the new study that guidelines to ensure current safe distances are based on faulty models. dating back to the 1930s.
Instead of a safe safe distance of 2m, Bourouiba warns that droplets of pathogens of all sizes can travel from ... 7 - 8m.
Research by associate Professor Lydia Bourouiba, published in the Journal of the American Medical association, also warns that droplets from patients may contaminate surrounding surfaces and residues can float in the air. hours.
She noted a report from China also warned that virus particles could be found in ventilation systems in the rooms of patients with Covid-19.
As a result, Bourouiba is concerned that current guidelines seem to be over simplifying and may limit the effectiveness of the proposed interventions for this deadly pandemic.
Associate Professor Lydia Bourouiba said that this is especially urgent for health care workers, who face a potentially underappreciated range of exposure.
“An urgent notice is needed to revise the guidelines currently in place by the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC) regarding the need for equipment. protective equipment, especially for frontline health care workers, ”said Mitch Bourouiba.