ahlam1399
07-11-2017, 04:20 AM
Evidence from a mass vaccination campaign for an outbreak of bacterial meningitis in New Zealand had unexpected results: reduced rates of the ***ually transmitted disease go**rrhea, a study published Monday in the journal The Lancet finds. It is the first time a vaccine has shown any protection against go**rrhea.
أكثر... (http://www.cnn.com/2017/07/10/health/go**rrhea-vaccine-study/index.html)
أكثر... (http://www.cnn.com/2017/07/10/health/go**rrhea-vaccine-study/index.html)