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Lymphatic filariasis Clinical Findings
- Incubation period in the human host: 6–12 months or longer
- During early stages of infection: acute recurrent attacks of fever, lymphadenitis and lymphangitis
- In chronic infections: a wide clinical spectrum can be found from asymptomatic carriers to severe clinical manifestations:
filarial fever, hydrocele, elephantiasis (where secondary bacterial infections play an aetiologic role), tropical pulmonary eosinophilia (a hypersensitivity state against microfilariae)
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