The “line” barrier is a deep water barrier dating ... since most of them do not cross even a small stretch of ocean water. The gap between the islands of Bali and Lombok is only about 22 ...

While SHFV is typically found in African wild primates and no infections have been reported in humans yet, Goldberg said it could potentially cross the species barrier and become a ... but that virus ...

The delivery challenge is posed by the blood–brain barrier (BBB), which prevents around ... has evolved the natural ability to penetrate and cross the BBB and enter the brain, where it causes ...