Scientists at Britain’s Chester Zoo have produced a new vaccine that protests young elephants from a potentially lethal disease. Elephant endotheliotropic herpesvirus, or EEHV, can kill animals within 24 hours. The jab will help them resist it.

Chester

Scientists at Chester Zoo in the UK have developed a vaccine aimed at protecting young elephants from elephant endotheliotropic herpesvirus (EEHV), a disease that can be fatal within 24 hours. The vaccine is intended to help young elephants, whose immune systems may not be fully developed, resist the virus and avoid severe or lethal outcomes.

EEHV primarily affects Asian elephants but has also been detected in African elephants and in zoo populations worldwide. The disease can cause rapid internal bleeding and severe symptoms such as swelling and lethargy. The research team is working to adapt the vaccine for use in wild elephant populations in the future.

Scientists develop vaccine to protect young elephants from herpesvirus

Scientists at Britain's Chester Zoo have produced a new vaccine that protects young elephants from a potentially lethal disease. Elephant endotheliotropic herpesvirus, or EEHV, can kill animals within 24 hours. The jab will help them resist it. Almost every elephant will carry at least one of these elephant herpesviruses. But if the young animals become infected for the first time, their immune system is perhaps not fully matured and it may not react appropriately to this challenge. And when this happens, it can turn into a really bad disease with a high likelihood of a lethal outcome. And to prevent this, the vaccine was designed specifically to prevent death and severe disease. EEHV mainly affects Asian elephants but has also been found in the African species and even in conservation and breeding programmes in zoos around the world. It very quickly turns into this hemorrhagic form of the disease where there's essentially lots of internal bleeding. So the symptoms that we see outwardly are swelling of the head, we see lesions to the tongue where the tongue swells, can be stiffness, just general lethargy. So it can progress very quickly from that stage. By the time we see clinical signs in a young elephant, it's very, very difficult to kind of get them through the disease. The team is aiming to develop the vaccine so that it can be made suitable for animals in the wild.

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