Eleven people associated with Dyess Air Force Base in Abilene are quarantined in their homes as a precaution against SARS.
On Friday, Dyess reported initial test results of lab samples from 8 people came up negative for the virus that causes Severe Acute Respiratory Syndrome. More testing will be done and the results aren't expected for two or three weeks.
Federal guidelines recommend isolation until 10n days past the date of fever and respiratory symptoms. Initially, 6 airmen and 3 of their relatives were quarantined. Two more people were added Friday.
A group of military personnel passed through the Toronto Airport recently. Some reported mild to moderate respiratory problems after returning home.
Federal officials lifted a SARS-related travel alert for Toronto on Tuesday.
Health experts say the risk of infection to the Abilene community is minimal.