Asthma affects hundreds of millions of people around the world, but an experimental vaccine offers new hope to successfully treat this chronic lung disease, linked to hundreds of thousands of deaths each year. So far the prototype vaccine has only been tested in animals, but the researchers now intend to conduct a clinical trial in human patients – with hopes the approach could provide a safe, cost-effective, and long-term way to protect people from allergic asthma attacks. "The idea is to set up in the future a preventive approach for populations at risk of developing a severe form of asthma,"...