Vaccine-manufacturing giant Sanofi quietly pulls the plug on its Zika vaccine project
Zika Mosquito (cnn.com)

Vaccine giant Sanofi Pasteur has quietly pulled the plug on its Zika vaccine project, a move that underscores how difficult it may be at this stage to develop a vaccine against the virus. The company announced the move in a statement posted on its website at 3 p.m. Friday, pointing to a decision by a federal…