W135 in Africa: origins, problems and perspectives
Serogroup A meningococci have been the major cause of epidemic meningococcal disease in Africa throughout the last 100 years. The reasons for this unusual pattern of behaviour have remained unclear and there remain significant debates and logistic difficulties around the appropriate use of plain A/C...
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| Format: | Journal article |
| Sprog: | English |
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Elsevier
2003
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