From this link (posted by another commenter): https://drive.google.com/file/d/1Dlb52zwkddgCNqYEAFth6UYpDy6AoLhG/view

There are few reports of laboratory-confirmed cases who are truly asymptomatic, and to date, there has been no documented asymptomatic transmission. This does not exclude the possibility that it may occur. Asymptomatic cases have been reported as part of contact tracing efforts in some countries.

Asymptomatic transfer is the biggest hoax of all. Even if Covid was truly dangerous, and even if the spread could have been effectively stopped by masks and social distancing, they are only required for people with symptoms or for those suspecting they might be pre-symptomatic (just couple days after being exposed to another symptomatic person)

The entire economy was shutdown and lives destroyed by this implicit assumption that asymptomatic transfer was prevalent.