Okay.
So it's a big problem. There are lots of secondary vectors, which is what we would call them, that allow them to spread.
On May 16th, 2012. See this statement in context.
On May 16th, 2012. See this statement in context.
Prof. Hugh MacIsaac
Okay.
So it's a big problem. There are lots of secondary vectors, which is what we would call them, that allow them to spread.
See context to find out what was said next.