Sharp waves have also been observed in humans and monkeys.
The purpose is to test vaccines against the human virus in monkeys.
Japanese scientists created a similar virus about a year ago, but it failed to grow in monkeys.
The new research took a closer look at this process in rats and monkeys.
Implants like the one he received had previously worked in monkeys.
The next step is to test the derivative in monkeys, and then people.
Though based on research in monkeys, the finding is likely to prove true of people, too.
Trade in African green monkeys had picked up in the last few years.
The discovery was made in monkeys and is expected to prove true of people too.
After repeating the experiment in monkeys, they have modified their theory.