It wasn't that there was no knowledge. Health Canada reported themselves in 1988; the transplacental transmission has been documented. When I spoke with Dr. Njoo, I said his agency has known for 29 years that this is happening, and asked why they hadn't done anything about it, why it wasn't in the framework. His answer to me, if I remember correctly, was that the framework was a high-level document and therefore issues like this were minor, or—
On June 6th, 2017. See this statement in context.