41.   The virus was detected at several large companies late yesterday.

42.   The virus was detected at several large companies late Thursday.

43.   The virus was detected when the villagers sought treatment for seemingly unrelated problems such as toothaches or fevers, the paper said.

44.   Viruses have been detected in oysters and other shellfish in many coastal areas outside of Florida.

45.   The virus was detected in a quarantine facility located in the south Texas town of Alice.

46.   The virus was detected among pig herds at the end of April at Chemery-les-Deux in the Moselle region of eastern France.

47.   Many Chinese doctors are still ill qualified to detect the virus and many remain ignorant as to how the disease is passed on.

48.   Mexican authorities said they are particularly concerned about flights that may transport passengers from Africa, where the virus has been detected.