Vaccination

United Nations agencies said a measles vaccination campaign in northern Syria had been halted after 15 children died following inoculations

New monkey studies show that one shot of an experimental Ebola vaccine can trigger fast protection, but the effect waned unless the animals got a booster shot made a different way.
     

Greece is to begin vaccinating young refugees from Syria against polio because of fears that the infectious disease, which was officially wiped out more than a decade ago, may be reintroduced to the country by people fleeing the war-torn state.