> Did they?

They said it was a fact that COVID is NOT airborne. (It is.)

Not they believed it wasn't airborne.

Not that data was early but indicated it wasn't airborne.

That it was fact.

In fact, they published fact checks on social media asserting that position. Here is one example on the official WHO Facebook page:

https://www.facebook.com/WHO/posts/3019704278074935/?locale=...