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Rev Esp Salud Publica. 2015 Jul-Aug;89(4):365-79. doi: 10.4321/S1135-57272015000400005.
[Article in English Spanish]
Masa Calles J López Perea N Torres de Mier Mde V.
To achieve the goal of eliminating measles and rubella two key strategies have been defined: sustain very low level of population susceptibility and strengthen surveillance system by rigorous case investigation and rapid control measures implementation. Surveillance of measles rubella and CRS are included into the Spanish Surveillance System (RENAVE); surveillance is mandatory passive nationwide and case-based with laboratory information integrated. Information flows from sub national to national level (National Centre for Epidemiology) and then to the WHO-Europe through ECDC. In the final phase of elimination good surveillance and documented evidences are keys. Information on epidemiology of measles rubella and CRS cases and outbreaks pattern of importation genotypes circulating and performance of measles and rubella surveillance are required at national and international level. Also all investigated and discarded measles or rubella cases should be reported. Currently the system faces some challenges gathering needed information for documenting the elimination. As long as the disease incidence declines increases difficulties in identifying clinical measles and rubella because of non-specific prodromal signs and atypical cases. Differential diagnosis for fever and rash including measles and rubella should be performed in all clinical settings. Three clinical specimens must be collected to confirm or discard cases and to allow the virus characterization in order to know the pattern of importation of measles and rubella.