Master of disguise: The hunt for an HIV vaccine

A new 'mosaic' formulation was highly immunogenic in a study of rhesus monkeys

HIV is a master of disguise and continually evolving. Emily Dunn looks at how this is impeding the search for a vaccine.

HIV structure

More than 30 years after being named human immunodeficiency virus (HIV), the scourge that has killed an estimated 34 million people around the world still defies scientists’ attempts to develop a vaccine.

In July, however, a study in the Lancet reported on a promising candidate designed to overcome a major barrier to inducing immunity,