The WHO acknowledges the new evidence that COVID-19 could spread by tiny particles suspended in the air, but says that further assessment is required.
It acknowledged that such a manner of spreading could occur in specific settings like enclosed and crowded spaces. That finding eventually led to broader use of masks, even indoors, but WHO also said that the current evidence is preliminary, and required further assessment.
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.