We will continue to follow up directly with people who may have been exposed to the virus.

Some people are very open, some people want to think about it, some people just say no.

You hear people say that short codes will be tomorrow's URL.

Six of the seven have been contacted, and all are well.

Six of the seven have been contacted, and all are well. Our best strategy [right now in Minnesota] is to observe what's going on and make sure our cases are being properly diagnosed.

However, these cases do serve to underscore the importance of making sure your immunizations are up to date for polio and other vaccine-preventable diseases,