Relapsing vivax malaria cluster in Eritrean refugees, Israel, June 2010 Spotlight on measles 2010: Measles outbreak in a mainly unvaccinated community in Essen, Germany, March ??? June 2010 Cluster of Legionnaires?? disease associated with a public whirlpool spa, France, April ??? May 2010 Type and quantity of data needed for an early estimate of transmissibility when an infectious disease emerges