Any change in the WHO's assessment of risk of transmission could affect its current advice on keeping 1-metre (3.3 feet) of physical distancing. Governments, which rely on the agency for guidance policy, may also have to adjust public health measures aimed at curbing the spread of the virus.
source https://timesofindia.indiatimes.com/world/rest-of-world/covid-who-acknowledges-evidence-emerging-of-airborne-spread/articleshow/76844626.cms
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