Despite the presence of gorilla trekkers in their habitat, endangered gorillas in the region surrounding East Africa's Virunga Volcanoes do not have human herpesvirus, researchers say.

The Gorilla Doctors team was able to assess the region's mountain gorillas in a noninvasive way, simply watching the animals as they walked through the forest.

As the gorillas chomped on vegetation s...

While the herpes virus that causes lip sores is common today, it has been difficult for scientists to find traces of it among ancient remains.

Now, researchers report they have uncovered and sequenced four ancient herpes virus