Changing epidemiology of meningococcal disease in Spain, 1989-1997.
In the 1980s, the presentation of meningococcal disease in Spain was closely linked to the predominance of serotype B. Since the early 1990s however, an increasing number of serotype C strains have been isolated from a number of localities in the west of
Mateo
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S
Cano
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Garcia
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C