New yellow fever vaccine matches safety and effectiveness of current shot

Yellow fever is a viral disease that is spread to humans through the bites of infected mosquitoes. The symptoms range from mild fever-like aches and pains to severe liver disease with bleeding, often accompanied by yellowing skin and eyes. As of now, we do not have antiviral drugs to cure these diseases, as most of the treatments are limited to easing symptoms. Hence, prevention via vaccination is our best bet against this disease. A recent study has found that a new yellow fever vaccine, called vYF by Sanofi, works just as well as the current licensed vaccine, YF-VAX.