WHO underplaying risk of airborne spread of Covid-19, say scientists

Open letter says there is emerging evidence of potential for aerosol transmission

The potential for Covid-19 to spread through airborne transmission by lingering in the air is being underplayed by the World Health Organization, a group of scientists have said.

In an open letter due to be published this week, 239 scientists from 32 countries call for greater acknowledgement of the role of airborne spread of Covid-19 and the need for governments to implement control measures.

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