A new vaccine has been shown to trigger an immune response against the bacteria that cause chlamydia BIOMEDICAL IMAGING UNIT, SOUTHAMPTON GENERAL HOSPITAL/SCIENCE PHOTO LIBRARY

The first human trial of a new chlamydia vaccine has shown that it is safe and that it triggers an immune response against the bacteria that cause chlamydia. The team behind the work are planning a larger trial to find out if it can protect against the infection.

Sonya Abraham at Imperial College London and her colleagues used a vaccine that has already been tested in animals including mice, guinea pigs and primates. The drug, …