Ask Dr. Hallberg: How do mosquitoes transmit disease?

Mosquito
In this Wednesday, Sept. 8, 2010 photo, a Cattail mosquito is held up for inspection at the Maine Medical Center Research Institute in South Portland, Maine.
Pat Wellenbach/AP 2010

It's mosquito season in Minnesota and those insects can be more than just a nuisance.

Dr. Jon Hallberg joined MPR News' Tom Crann to discuss how exactly mosquitoes transmit disease and what we can do to stop them.

More: 6 ways to keep mosquitoes at bay