[pmiller2]

The title is very misleading.

A WHO official did, indeed, state that asymptomatic transmission was "rare," but, the article goes on to say "She noted that the answer is not definitive," and then goes on to quote the director of the Harvard Global Health Institute and an infectious disease expert from Baylor University expressing doubt.

[rst]

Also uses a very strict definition of "asymptomatic" which apparently excludes the likely more common case of "presymptomatic" carriers -- who will develop symptoms but haven't yet.