How flawed ‘droplet spread’ narratives shaped the UK's COVID policy response Coronavirus Disease COVID PublicHealth bmj_latest
Analysis: How covid-19 spreads: narratives, counter narratives, and social dramas. Image Credit: Tomas Vynikal / Shutterstock
Logistical Due to the national shortage of high-grade personal protective equipment , the UK policy advisory groups adhered to a droplet-but-not-airborne narrative and facilitated that existing stocks go further. The researchers quoted contrasting early announcements regarding SARS-CoV-2 transmission in the UK and Japan. Japan's government agreed that in the absence of enough scientific evidence, people should avoid crowded places, places with poor ventilation, and close proximity to conversations and vocalizations.
Related StoriesFor example, nosocomial infections occurred despite strict distancing, and droplet precautions worked well only with airborne precautions. Another remarkable example is the phenomenon of long-range transmission, where SARS-CoV-2 infected people who never physically met or touched any common surface. In studies, SARS-CoV-2 was found to be viable in building ducts, and the virus was transmitted from animal to animal through air ducts when cages were connected.
The UK's public health officials ignored that since everyone generates aerosols, everyone is therefore prone to contracting COVID-19. A review of the aerodynamics of respiratory acts showed that a critical triad of poor ventilation, crowding, and loud vocalization generates enough aerosol for superspreading events.
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