Five Illinois residents, including two in Chicago, have died from the H1N1 flu virus. City public health officials are here to tell us what has changed about the virus in the last few months, and whether or not a vaccine is close.
Five Illinois residents, including two in Chicago, have died from the H1N1 flu virus. City public health officials are here to tell us what has changed about the virus in the last few months, and whether or not a vaccine is close.