These two viruses were later found to be of the same species.
A report is then provided on screen to tell you if a virus was found.
During the last month, the virus has been found in all 44 states that report the results of tests for it.
The virus was found to be a threat on January 26, 2004.
The virus can be found mostly in late summer and autumn.
Before that, the virus had never been found in this hemisphere.
Many children walk to school in the area where the virus was found, and several nursery schools are nearby.
This is the farthest west the virus has been found.
The virus is found in the blood 5 to 7 days after infection and spreads throughout the body.
The virus is found in the stool of an infected person.