The British Medical Journal urge the government to learn the science

20th August 2020

“Controlling this pandemic is difficult when the fundamental science determining the response is misunderstood. Accepting the importance of airborne transmission may prove a crucial breakthrough and should not be delayed further.”

Airborne transmission of covid-19

Guidelines and governments must acknowledge the evidence and take steps to protect the public In July, 239 scientists signed an open letter “appealing to the medical community and relevant national and international bodies to recognise the potential for airborne spread of covid-19.”1 Although the World Health Organization conceded that “airborne transmission cannot be ruled out,” the response was reserved and arguably mistaken in continuing to suggest that airborne and droplet transmission are discrete categories and that airborne transmission occurs only during medical “aerosol generating procedures.”2 WHO defines droplets as ≥5-10 μm diameter and aerosols as <5 μm.

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